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Arctic Blue

#79D4DE·cyan family·WCAG AAA

Tints & Shades

50

100

200

300

400

500

600

700

800

900

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

Color Values

HEX
#79D4DE
RGB
rgb(121, 212, 222)
HSL
hsl(186, 60%, 67%)
OKLCH
oklch(0.817 0.088 205)
CMYK
cmyk(45%, 5%, 0%, 13%)
Luminance:0.5643
CSS var:--color-arctic-blue
Tailwind:bg-[#79D4DE]

Accessibility

Score: 48/100

On White (#FFF)

1.71:1

Fail

On Black (#000)

12.29:1

AAA

On Light Gray (#F5F5F5)

1.57:1

Fail

Best text color on this background:

black12.29:1
Open in Contrast Checker →

Design Applications

Background

background-color: #79D4DE

Text Color

color: #79D4DE

bg-[#79D4DE] text-[#000000]

Accent border card component

border-left: 4px solid #79D4DE

Color Meaning & Psychology

Cyan sits between blue and green at the edge of visible light and is the color the eye uses to adjust from warm to cool light. It feels technological, clean, and forward-thinking. In printing, cyan is a primary process color (CMYK), giving it an association with professional reproduction and precision. In design, bright cyan signals digital interfaces, clean tech, and innovation. Lighter cyans feel fresh and airy; deeper cyans approach teal's sophistication. Cyan's primary cultural associations are ocean, ice, and digital displays. It is widely used in healthcare technology brands because it combines blue's trust with green's health connotations without the blandness of either on their own. Its lighter value makes it approachable and soft — suitable for backgrounds, secondary UI states, and contexts requiring the hue's character without full intensity.

Industry Usage

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

  • Digital technology and software products
  • Water sports and aquatic brands
  • Clean energy and sustainability companies
  • Healthcare data visualization tools
  • Modern media and streaming services
  • Virtual reality and immersive tech brands
  • Aerospace and precision technology
  • Clinical data and diagnostic imaging products

Accessibility Considerations

Normal Text

Fails AA

4.5:1 minimum required

Large Text

Fails AA Large

3:1 minimum required

UI Components

Check contrast

3:1 for non-text UI

Arctic Blue is a light color. Use black (#000000) text on top of it for maximum readability (12.29:1). Avoid white text on this background.

CSS & Code Examples

Background

background-color: #79D4DE;

Text

color: #79D4DE;

Border

border: 2px solid #79D4DE;

Box Shadow

box-shadow: 0 4px 20px #79D4DE40;

Gradient

background: linear-gradient(135deg, #79D4DE, #adffff);

Tailwind-style

--color-arctic-blue: #79D4DE;

Tailwind CSS Utilities

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

Background

bg-[#79D4DE]

Text

text-[#79D4DE]

Border

border-[#79D4DE]

Ring

ring-[#79D4DE]

Fill

fill-[#79D4DE]

From (gradient)

from-[#79D4DE]

Via (gradient)

via-[#79D4DE]

To (gradient)

to-[#79D4DE]

Design Tokens

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

CSS Custom Properties

:root {
  --color-arctic-blue: #79D4DE;
  --color-arctic-blue-rgb: 121, 212, 222;
  --color-arctic-blue-hsl: 186, 60%, 67%;
}

SCSS Variables

$color-arctic-blue: #79D4DE;
$color-arctic-blue-rgb: 121, 212, 222;
$color-arctic-blue-hsl: 186, 60%, 67%;

Tailwind v3 Config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'arctic-blue': '#79D4DE',
      },
    },
  },
};

Tailwind v4 (@theme)

/* tailwind.css */
@theme {
  --color-arctic-blue: #79D4DE;
}

JSON Design Token (W3C format)

{
  "arctic-blue": {
    "value": "#79D4DE",
    "type": "color",
    "description": "Arctic Blue — #79D4DE"
  }
}

What Does Arctic Blue Mean? Color Psychology & Cultural Symbolism

The psychology of Arctic Blue runs through two channels simultaneously: the freshness of blue water (sky, ocean, clean environments) and the precision of technology (RGB screens, laser light, digital information). Together they resolve as clarity—a quality of informed clarity.

  • Cyan occupies a distinctive visual space as a pure, bright blue-green that reads as technological, precise, and high-tech. It's heavily associated with digital screens (cyan is one of the primary colors in additive light mixing) and carries strong tech-forward and futuristic connotations.
  • Cyan-adjacent turquoise holds deep significance in Southwestern Native American cultures, representing protection, health, and the sky. In Persian tradition, the color is considered sacred and protective. These associations root the color in elemental, protective significance.
  • Arctic Blue's mid-tone lightness (67%) shifts its psychological register: Light cyan and aqua tones feel fresh and summery—associated with clear tropical water, sky, and a light coastal aesthetic.
  • At 60% saturation, Arctic Blue reads as moderately saturated—neither overwhelming nor passive, landing in the clarity, technology, freshness, and precision zone with measured confidence.

Precision is Arctic Blue's promise. When that's what the design needs to communicate, nothing else does it better.

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

The design flexibility of Arctic Blue is notable: it works in both light and dark interfaces, both clinical and consumer contexts, and as both primary and accent color—a range that few other bright tones match.

  • UI components: highlight states, data visualization accents, tech-forward CTAs—Arctic Blue performs reliably in all these roles with its mid-tone tonal character.
  • Brand & identity: tech products, data dashboards, medical imaging—contexts where Arctic Blue's moderately saturated quality creates the right register.
  • Typography: Arctic Blue as text requires a dark background; its 67% lightness means it provides 1.7:1 contrast on white, not meeting WCAG AA.
  • Arctic Blue creates strong legibility with black text overlays (12.3:1 contrast ratio), making it a reliable background or surface color in design systems
  • Proportional use: Arctic Blue's moderately saturated quality means it scales well across proportions—from full-bleed backgrounds to single-pixel borders—making it an unusually versatile palette component.

Precision is Arctic Blue's promise. When that's what the design needs to communicate, nothing else does it better.

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

Arctic Blue (#79D4DE) achieves a 12.29:1 contrast ratio with black 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: 56.4%.

  • As text on white (#FFFFFF): 1.71:1 — Fail
  • As text on black (#000000): 12.29:1 — AAA ✓
  • Best text color on Arctic Blue background: Black (#000000) at 12.29:1
  • WCAG 2.1 luminance: 56.4% — above-median luminance—it reads as a light to mid-tone background, compatible with dark text while retaining color personality
  • Arctic 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.

Arctic Blue's WCAG profile makes it a compliant choice for most text applications.

Arctic Blue in Industry: Branding, Design & Market Applications

Across industry research, cyan-family tones consistently outperform competitors in categories built on clarity, technology, freshness, and precision. Arctic Blue is a mid-tone expression of this advantage—best positioned in Technology & Software and adjacent markets.

  • Technology & Software: Cyan's additive light origins make it inherently digital—it's literally the color of screens. Tech brands use it to signal cutting-edge, screen-native products and the precision of digital systems. (examples: Notion, Slack, Salesforce) Works especially well in dark-mode interfaces where cyan provides high contrast and futuristic character.
  • Healthcare & Medical Imaging: Medical imaging technology (X-rays, ultrasounds, 3D scans) frequently uses cyan highlighting for precision and clarity. Healthcare tech brands have adopted this association to signal clinical precision in digital health products. (examples: Headspace, One Medical, Kaiser Permanente) Pairs naturally with white and dark gray for a medical-precision aesthetic.
  • Clean Energy & Environment: Clean energy brands use cyan to signal the intersection of technology and environmental consciousness—the "clean" tech positioning that neither pure green (environmental emphasis) nor pure blue (tech emphasis) fully achieves alone. Cyan-to-green gradients have become a shorthand for clean tech and sustainable innovation.
  • Brand positioning: Arctic Blue is best suited for brands projecting modernity, innovation, clarity. Categories outside this positioning—traditional or heritage brands—tend to see weaker results.
  • Adjacent applications: Beyond primary industries, Arctic Blue works effectively in social platform accents, clean energy brands, cyberpunk and sci-fi aesthetics—contexts where precision serves a secondary but reinforcing role.

Arctic Blue earns its strongest ROI in industries where trust and recognition compound over time: Technology & Software, Healthcare & Medical Imaging, Clean Energy & Environment. Use it to build the kind of brand recognition that decades reinforce.

Frequently Asked Questions

What is the hex code for Arctic Blue?
The hex code for Arctic Blue is #79D4DE. Its RGB values are rgb(121, 212, 222) and its HSL values are hsl(186, 60%, 67%).
What does Arctic Blue mean in design?
Cyan sits between blue and green at the edge of visible light and is the color the eye uses to adjust from warm to cool light. It feels technological, clean, and forward-thinking. In printing, cyan is a primary process color (CMYK), giving it an association with professional reproduction and precision. In design, bright cyan signals digital interfaces, clean tech, and innovation. Lighter cyans feel fresh and airy; deeper cyans approach teal's sophistication. Cyan's primary cultural associations are ocean, ice, and digital displays. It is widely used in healthcare technology brands because it combines blue's trust with green's health connotations without the blandness of either on their own. Its lighter value makes it approachable and soft — suitable for backgrounds, secondary UI states, and contexts requiring the hue's character without full intensity.
Is Arctic Blue WCAG accessible?
Arctic Blue (#79D4DE) does not pass WCAG AA on white (1.71:1 ratio). Use it on dark backgrounds where it achieves 12.29:1. Its overall accessibility score is 48/100.
What colors go well with Arctic Blue?
Arctic Blue pairs well with its complementary color Licorice (#1A1110). Analogous colors like Shamrock and Muted Teal also work harmoniously. Check the Color Harmonies section above for the full palette.
What is Arctic Blue used for?
Arctic Blue is commonly used for: Digital technology and software products; Water sports and aquatic brands; Clean energy and sustainability companies; Healthcare data visualization tools; Modern media and streaming services.
What are the CSS and Tailwind values for Arctic Blue?
In CSS, use `color: #79D4DE` or `background-color: #79D4DE`. The CSS custom property is `--color-arctic-blue: #79D4DE`. In Tailwind CSS, use the arbitrary value class `bg-[#79D4DE]` for backgrounds or `text-[#79D4DE]` for text.