What is the hex code for Peacock Blue?

The hex code for Peacock Blue is #005F6A.

What are the RGB values for Peacock Blue?

The RGB values for Peacock Blue are rgb(0, 95, 106).

Is Peacock Blue accessible on white backgrounds?

Peacock Blue has a contrast ratio of 7.38:1 on white, which passes WCAG AAA.

Peacock Blue (#005F6A) — Hex, RGB, HSL & WCAG Scores

Tints & Shades

100

200

300

400

500

600

700

800

900

Scale from white (50) through Peacock Blue (500) to black (900), interpolated in Lab color space.

Color Values

HEX: #005F6A
RGB: rgb(0, 95, 106)
HSL: hsl(186, 100%, 21%)
OKLCH: oklch(0.444 0.076 208)
CMYK: cmyk(100%, 10%, 0%, 58%)

Luminance:0.0923

CSS var:--color-peacock-blue

Tailwind:bg-[#005F6A]

Accessibility

Score: 71/100

On White (#FFF)

7.38:1

AAA

On Black (#000)

2.85:1

Fail

On Light Gray (#F5F5F5)

6.77:1

Best text color on this background:

white — 7.38:1

Open in Contrast Checker →

Design Applications

Background

background-color: #005F6A

Text Color

color: #005F6A

bg-[#005F6A] text-[#FFFFFF]

Accent border card component

border-left: 4px solid #005F6A

Color Harmonies

Complementary

Salmon

#FA8072

Triadic

Plum Fruit

#8E4585

Pear Yellow

#D1E231

Split-Complementary

Carnation Pink

#FFA6C9

Blanched Almond

#FFEBCD

Analogous

Shamrock

#009E60

Muted Teal

#5F7A76

Columbia Blue

#C4D8E2

Glaucous

#6082B6

Similar Colors

Forest Teal

#2E6F6E

Pine Teal

#3D6E6E

Dark Slate Gray

#2F4F4F

Teal Blue

#367588

Deep Teal

#004D47

Rich Black

#004040

Color Meaning & Psychology

Blue is the world's most universally preferred color across cultures. It slows respiration, lowers blood pressure, and promotes calm — the physiological opposite of red. Blue's associations with sky and water make it feel limitless, trustworthy, and reliable. In corporate design, blue dominates banking, insurance, healthcare, and technology precisely because it communicates stability. Dark navy conveys authority and tradition; royal blues suggest quality and aspiration; sky blues feel open and optimistic; teal bridges trust with modernity. The primary limitation of blue is food — it suppresses appetite, with almost no naturally blue foods existing in nature. Its very dark, near-black depth creates dramatic intensity — maximally contrastive, powerful, and reserved for focal design elements where other dark colors would disappear.

Industry Usage

Common contexts and industries where Peacock Blue is applied in professional design.

Banking, insurance, and financial institutions
Healthcare and medical device companies
Enterprise software and SaaS platforms
Government and public sector organizations
Airlines and aviation brands
Communication and social networking apps
Cybersecurity and data protection products
Pharmaceutical companies and clinical products

Accessibility Considerations

Normal Text

Passes AA

4.5:1 minimum required

Large Text

Passes AA Large

3:1 minimum required

UI Components

Meets 1.4.11

3:1 for non-text UI

Peacock Blue is a dark color. Use white (#FFFFFF) text on top of it for maximum readability (7.38:1). Avoid small black text on this background.

Test this color in the Contrast Checker →·WCAG Contrast Guide →

CSS & Code Examples

Background

background-color: #005F6A;

Text

color: #005F6A;

Border

border: 2px solid #005F6A;

Box Shadow

box-shadow: 0 4px 20px #005F6A40;

Gradient

background: linear-gradient(135deg, #005F6A, #438d98);

Tailwind-style

--color-peacock-blue: #005F6A;

Tailwind CSS Utilities

Use arbitrary value syntax in Tailwind CSS to apply Peacock Blue without a custom config.

Background

bg-[#005F6A]

Text

text-[#005F6A]

Border

border-[#005F6A]

Ring

ring-[#005F6A]

Fill

fill-[#005F6A]

From (gradient)

from-[#005F6A]

Via (gradient)

via-[#005F6A]

To (gradient)

to-[#005F6A]

Design Tokens

Ready-to-use Peacock Blue design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.

CSS Custom Properties

:root {
  --color-peacock-blue: #005F6A;
  --color-peacock-blue-rgb: 0, 95, 106;
  --color-peacock-blue-hsl: 186, 100%, 21%;
}

SCSS Variables

$color-peacock-blue: #005F6A;
$color-peacock-blue-rgb: 0, 95, 106;
$color-peacock-blue-hsl: 186, 100%, 21%;

Tailwind v3 Config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'peacock-blue': '#005F6A',
      },
    },
  },
};

Tailwind v4 (@theme)

/* tailwind.css */
@theme {
  --color-peacock-blue: #005F6A;
}

JSON Design Token (W3C format)

{
  "peacock-blue": {
    "value": "#005F6A",
    "type": "color",
    "description": "Peacock Blue — #005F6A"
  }
}

More blue colors

View all →

Blue

#0000FF

Navy Blue

#001F5B

Sky Blue

#87CEEB

Royal Blue

#4169E1

Cobalt Blue

#0047AB

Cerulean

#007BA7

Midnight Blue

#191970

Baby Blue

#89CFF0

Denim

#1560BD

Ice Blue

#99C5C4

Prussian Blue

#003153

Sapphire

#0F52BA

What Does Peacock Blue Mean? Color Psychology & Cultural Symbolism

The reason Peacock Blue projects trust is partly evolutionary (blue skies and clean water = safety) and partly cultural (centuries of professional, governmental, and institutional use have trained associations). The result is a color that creates instant psychological permission to engage.

Blue is the most universally trusted color in Western design—associated with authority (government, police, corporate), intelligence (universities, technology), and emotional calm (water, sky). It's the dominant color in corporate branding precisely because it creates immediate credibility.
In Chinese tradition, blue represents immortality and the heavens, associated with the element of wood and spring vitality. In many Islamic cultures, blue offers protection from evil (the "evil eye" tradition), and in Indian traditions it's associated with divinity (Krishna).
Peacock Blue's dark lightness (21%) shifts its psychological register: Navy and deep blues project gravitas, authority, and executive-level trust—the dominant choice for financial services, law firms, and premium B2B brands.
At 100% saturation, Peacock Blue reads as vivid—Electric and royal blues are modern, confident, and digitally native—they signal tech-forward positioning and work well for startups challenging traditional industries.

The power of Peacock Blue is quiet consistency. It builds trust cumulatively, appearing wherever credibility matters.

How to Use Peacock Blue in Design: Applications, Pairings & Best Practices

The design challenge with Peacock Blue is differentiation: every major institution uses blue. The answer lies in tone, proportion, and pairing—how a specific blue is used matters more than whether it's used.

UI components: primary brand color, link color, interactive states—Peacock Blue performs reliably in all these roles with its dark tonal character.
Brand & identity: corporate identity, banking and finance UIs, healthcare platforms—contexts where Peacock Blue's vivid quality creates the right register.
Typography: Peacock Blue works as a background behind white text but requires careful sizing—test at intended heading and body sizes before finalizing.
As a dark tone, Peacock Blue creates maximum contrast with white and light neutrals—excellent for creating premium dark-mode sections, bold headers, and high-drama brand moments
Proportional use: Peacock Blue's vivid saturation (100%) means small applications—accents, highlights, icons—deliver maximum impact without visual fatigue. Reserve large-scale use for intentional brand moments.

The power of Peacock Blue is quiet consistency. It builds trust cumulatively, appearing wherever credibility matters.

Peacock Blue Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design

Peacock Blue (#005F6A) achieves a 7.38:1 contrast ratio with white text, surpassing the WCAG 2.1 AAA threshold of 7:1. This exceptional contrast qualifies it for body text, UI components at any size, and all accessibility-sensitive interface contexts. Relative luminance: 9.2%.

As text on white (#FFFFFF): 7.38:1 — AAA ✓
As text on black (#000000): 2.85:1 — Fail
Best text color on Peacock Blue background: White (#FFFFFF) at 7.38:1
WCAG 2.1 luminance: 9.2% — low luminance (dark)—it provides strong contrast for white and light overlaid text, functioning well as a background in dark-mode and header contexts
Peacock Blue qualifies for all text sizes including small body copy (AAA).
Color blindness consideration: tritanopia (blue-yellow color blindness, ~0.003% of population) may affect how this color reads. While rare, for maximum accessibility supplement color signals with text or icon indicators in critical states.

For production use, test Peacock Blue against your specific background colors rather than assuming #FFFFFF or #000000 performance translates. Surrounding colors alter perceived contrast.

Peacock Blue in Industry: Branding, Design & Market Applications

Peacock Blue (#005F6A) is most at home in industries where trust, reliability, calm, and professionalism are key brand values. Its dark quality makes it particularly effective in Finance & Banking contexts, where the vivid saturation signals reliability at exactly the right register.

Finance & Banking: Blue is the most trusted color in financial services—a global design convention built over decades. It signals fiduciary reliability, stability, and the conservative stewardship that depositors and investors need to feel comfortable transferring wealth. (examples: JPMorgan Chase, Goldman Sachs, Visa) Dark navy communicates established tradition; mid-tone blues suggest accessible, modern banking. Avoid pure bright blue for legacy institutions.
Technology: Technology brands use blue to communicate intelligence, reliability, and forward-thinking professionalism. From legacy enterprise software to consumer apps, blue provides a neutral credibility that scales across markets and cultures. (examples: Apple, Microsoft, Salesforce) Varying the tone of blue is how tech brands differentiate: sky blue for friendliness (consumer apps), royal blue for confidence (productivity tools), navy for enterprise seriousness.
Healthcare: Healthcare's use of blue is a trust transfer from corporate credibility to clinical reliability. Patients associate blue with cleanliness, precision, and medical competence—making it the second most common healthcare color after white. (examples: CVS Health, Mayo Clinic, Kaiser Permanente) Teal-blue works particularly well for health tech and telemedicine, balancing clinical trust with digital accessibility.
Brand positioning: Peacock Blue is best suited for brands projecting stability, competence, professionalism. Categories outside this positioning—food contexts where it suppresses appetite (the only major color with no natural blue foods)—tend to see weaker results.
Adjacent applications: Beyond primary industries, Peacock Blue works effectively in trust-critical applications, government services, B2B software—contexts where reliability serves a secondary but reinforcing role.

The industries where Peacock Blue performs best are those where the audience expects reliability. Build brand strategy around this alignment, not against it.

Accessibility & Design Guides

WCAG Contrast Ratio Guide

Understand contrast requirements for AA and AAA compliance

WCAG AA vs AAA

When to target AA vs AAA accessibility standards

Color Blindness Guide

Design for color vision deficiency with safe palettes

Accessible Design Systems

Build color systems that work for everyone

Frequently Asked Questions

What is the hex code for Peacock Blue?: The hex code for Peacock Blue is #005F6A. Its RGB values are rgb(0, 95, 106) and its HSL values are hsl(186, 100%, 21%).
What does Peacock Blue mean in design?: Blue is the world's most universally preferred color across cultures. It slows respiration, lowers blood pressure, and promotes calm — the physiological opposite of red. Blue's associations with sky and water make it feel limitless, trustworthy, and reliable. In corporate design, blue dominates banking, insurance, healthcare, and technology precisely because it communicates stability. Dark navy conveys authority and tradition; royal blues suggest quality and aspiration; sky blues feel open and optimistic; teal bridges trust with modernity. The primary limitation of blue is food — it suppresses appetite, with almost no naturally blue foods existing in nature. Its very dark, near-black depth creates dramatic intensity — maximally contrastive, powerful, and reserved for focal design elements where other dark colors would disappear.
Is Peacock Blue WCAG accessible?: Peacock Blue (#005F6A) passes WCAG AAA on white with a 7.38:1 contrast ratio. Its overall accessibility score is 71/100.
What colors go well with Peacock Blue?: Peacock Blue pairs well with its complementary color Salmon (#FA8072). Analogous colors like Shamrock and Muted Teal also work harmoniously. Check the Color Harmonies section above for the full palette.
What is Peacock Blue used for?: Peacock Blue is commonly used for: Banking, insurance, and financial institutions; Healthcare and medical device companies; Enterprise software and SaaS platforms; Government and public sector organizations; Airlines and aviation brands.
What are the CSS and Tailwind values for Peacock Blue?: In CSS, use `color: #005F6A` or `background-color: #005F6A`. The CSS custom property is `--color-peacock-blue: #005F6A`. In Tailwind CSS, use the arbitrary value class `bg-[#005F6A]` for backgrounds or `text-[#005F6A]` for text.