Tints & Shades
50
100
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500
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800
900
Scale from white (50) through Aegean Blue (500) to black (900), interpolated in Lab color space.
Color Values
- HEX
- #1F456E
- RGB
- rgb(31, 69, 110)
- HSL
- hsl(211, 56%, 28%)
- OKLCH
- oklch(0.384 0.083 252)
- CMYK
- cmyk(72%, 37%, 0%, 57%)
--color-aegean-bluebg-[#1F456E]Accessibility
Score: 96/100On White (#FFF)
9.84:1
On Black (#000)
2.13:1
On Light Gray (#F5F5F5)
9.02:1
Best text color on this background:
Design Applications
background-color: #1F456E
color: #1F456E
bg-[#1F456E] text-[#FFFFFF]
border-left: 4px solid #1F456E
Color Harmonies
Complementary
Caramel Orange
#C68642
Split-Complementary
Similar Colors
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 deeper, richer tone gives it gravitas and sophistication, making it well-suited for primary brand colors, typography, and contexts where authority matters.
Industry Usage
Common contexts and industries where Aegean 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
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
Aegean Blue is a dark color. Use white (#FFFFFF) text on top of it for maximum readability (9.84:1). Avoid small black text on this background.
CSS & Code Examples
Background
background-color: #1F456E;Text
color: #1F456E;Border
border: 2px solid #1F456E;Box Shadow
box-shadow: 0 4px 20px #1F456E40;Gradient
background: linear-gradient(135deg, #1F456E, #50709d);Tailwind-style
--color-aegean-blue: #1F456E;Tailwind CSS Utilities
Use arbitrary value syntax in Tailwind CSS to apply Aegean Blue without a custom config.
Background
bg-[#1F456E]Text
text-[#1F456E]Border
border-[#1F456E]Ring
ring-[#1F456E]Fill
fill-[#1F456E]From (gradient)
from-[#1F456E]Via (gradient)
via-[#1F456E]To (gradient)
to-[#1F456E]Design Tokens
Ready-to-use Aegean Blue design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.
CSS Custom Properties
:root {
--color-aegean-blue: #1F456E;
--color-aegean-blue-rgb: 31, 69, 110;
--color-aegean-blue-hsl: 211, 56%, 28%;
}SCSS Variables
$color-aegean-blue: #1F456E; $color-aegean-blue-rgb: 31, 69, 110; $color-aegean-blue-hsl: 211, 56%, 28%;
Tailwind v3 Config
// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'aegean-blue': '#1F456E',
},
},
},
};Tailwind v4 (@theme)
/* tailwind.css */
@theme {
--color-aegean-blue: #1F456E;
}JSON Design Token (W3C format)
{
"aegean-blue": {
"value": "#1F456E",
"type": "color",
"description": "Aegean Blue — #1F456E"
}
}More cyan colors
View all →What Does Aegean Blue Mean? Color Psychology & Cultural Symbolism
The psychology of Aegean 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.
- Aegean Blue's deep lightness (28%) shifts its psychological register: Deep cyan approaches teal territory and carries technical precision and depth—used in advanced UI contexts and technology branding.
- At 56% saturation, Aegean Blue reads as moderately saturated—neither overwhelming nor passive, landing in the clarity, technology, freshness, and precision zone with measured confidence.
Aegean Blue is where technology and clarity meet—use it where you need users to feel precisely oriented and forward-looking.
How to Use Aegean Blue in Design: Applications, Pairings & Best Practices
Aegean Blue is a natural fit for any design system that wants to signal technology without falling back on blue. It adds a freshness and precision that differentiates tech-forward brands from their more conventional competitors.
- UI components: highlight states, data visualization accents, tech-forward CTAs—Aegean Blue performs reliably in all these roles with its deep tonal character.
- Brand & identity: tech products, data dashboards, medical imaging—contexts where Aegean Blue's moderately saturated quality creates the right register.
- Typography: Aegean 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, Aegean 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: Aegean 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.
Aegean Blue is where technology and clarity meet—use it where you need users to feel precisely oriented and forward-looking.
Aegean Blue Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design
Aegean Blue (#1F456E) achieves a 9.84:1 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: 5.7%.
- As text on white (#FFFFFF): 9.84:1 — AAA ✓
- As text on black (#000000): 2.13:1 — Fail
- Best text color on Aegean Blue background: White (#FFFFFF) at 9.84:1
- WCAG 2.1 luminance: 5.7% — low luminance (dark)—it provides strong contrast for white and light overlaid text, functioning well as a background in dark-mode and header contexts
- Aegean 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.
Always verify Aegean Blue at its final intended size and weight using a real contrast checker—font weight and rendering environment affect perceived legibility beyond what raw ratios capture.
Aegean Blue in Industry: Branding, Design & Market Applications
Aegean Blue's brand positioning falls squarely in the territory of clarity, technology, freshness, and precision. Industry data supports its strongest performance in technology, healthcare, water & marine categories, where the moderately saturated saturation calibrates the message at a deep, considered level.
- 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: Apple, Microsoft, 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: Aegean Blue is best suited for brands projecting precision, technology, clarity. Categories outside this positioning—traditional or heritage brands—tend to see weaker results.
- Adjacent applications: Beyond primary industries, Aegean Blue works effectively in tech products, data dashboards, medical imaging—contexts where precision serves a secondary but reinforcing role.
For marketers and brand strategists, Aegean Blue is a commitment to clarity, technology, freshness, and precision. Match it with industries that make that promise and it will pay dividends consistently.
Accessibility & Design Guides
Frequently Asked Questions
- What is the hex code for Aegean Blue? ▾
- The hex code for Aegean Blue is #1F456E. Its RGB values are rgb(31, 69, 110) and its HSL values are hsl(211, 56%, 28%).
- What does Aegean 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 deeper, richer tone gives it gravitas and sophistication, making it well-suited for primary brand colors, typography, and contexts where authority matters.
- Is Aegean Blue WCAG accessible? ▾
- Aegean Blue (#1F456E) passes WCAG AAA on white with a 9.84:1 contrast ratio. Its overall accessibility score is 96/100.
- What colors go well with Aegean Blue? ▾
- Aegean Blue pairs well with its complementary color Caramel Orange (#C68642). Analogous colors like Steel Teal and Cerulean also work harmoniously. Check the Color Harmonies section above for the full palette.
- What is Aegean Blue used for? ▾
- Aegean 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 Aegean Blue? ▾
- In CSS, use `color: #1F456E` or `background-color: #1F456E`. The CSS custom property is `--color-aegean-blue: #1F456E`. In Tailwind CSS, use the arbitrary value class `bg-[#1F456E]` for backgrounds or `text-[#1F456E]` for text.