Tints & Shades
50
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Scale from white (50) through Cambridge Blue (500) to black (900), interpolated in Lab color space.
Color Values
- HEX
- #A3C1AD
- RGB
- rgb(163, 193, 173)
- HSL
- hsl(140, 19%, 70%)
- OKLCH
- oklch(0.783 0.043 156)
- CMYK
- cmyk(16%, 0%, 10%, 24%)
--color-cambridge-bluebg-[#A3C1AD]Accessibility
Score: 48/100On White (#FFF)
1.95:1
On Black (#000)
10.79:1
On Light Gray (#F5F5F5)
1.79:1
Best text color on this background:
Design Applications
background-color: #A3C1AD
color: #A3C1AD
bg-[#A3C1AD] text-[#000000]
border-left: 4px solid #A3C1AD
Color Harmonies
Complementary
Rose Pink
#FF66CC
Split-Complementary
Similar Colors
Color Meaning & Psychology
Teal occupies the sophisticated intersection of blue's trust and green's vitality. It feels calming yet distinctive — neither the corporate ubiquity of navy nor the aggressive freshness of lime green. Teal is associated with healing, emotional balance, and clarity of thought. It gained significant cultural cachet in the 2010s as a design-forward alternative to standard blues in healthcare and technology branding. Deeper teals feel luxurious and authoritative; lighter teals feel fresh and energetic. Teal is one of the few colors that reads well in both light and dark themes. Its primary challenge is legibility — teal text on white often fails WCAG AA without careful shade selection. 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 Cambridge Blue is applied in professional design.
- Healthcare technology and health apps
- Mental health and wellness platforms
- Fintech brands seeking blue-alternative trust
- Premium interior design and home accessories
- Environmental and ocean-focused organizations
- Contemporary hotel and hospitality brands
- Corporate communications departments
- Spa and beauty wellness destinations
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
Cambridge Blue is a light color. Use black (#000000) text on top of it for maximum readability (10.79:1). Avoid white text on this background.
CSS & Code Examples
Background
background-color: #A3C1AD;Text
color: #A3C1AD;Border
border: 2px solid #A3C1AD;Box Shadow
box-shadow: 0 4px 20px #A3C1AD40;Gradient
background: linear-gradient(135deg, #A3C1AD, #d4f4df);Tailwind-style
--color-cambridge-blue: #A3C1AD;Tailwind CSS Utilities
Use arbitrary value syntax in Tailwind CSS to apply Cambridge Blue without a custom config.
Background
bg-[#A3C1AD]Text
text-[#A3C1AD]Border
border-[#A3C1AD]Ring
ring-[#A3C1AD]Fill
fill-[#A3C1AD]From (gradient)
from-[#A3C1AD]Via (gradient)
via-[#A3C1AD]To (gradient)
to-[#A3C1AD]Design Tokens
Ready-to-use Cambridge Blue design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.
CSS Custom Properties
:root {
--color-cambridge-blue: #A3C1AD;
--color-cambridge-blue-rgb: 163, 193, 173;
--color-cambridge-blue-hsl: 140, 19%, 70%;
}SCSS Variables
$color-cambridge-blue: #A3C1AD; $color-cambridge-blue-rgb: 163, 193, 173; $color-cambridge-blue-hsl: 140, 19%, 70%;
Tailwind v3 Config
// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'cambridge-blue': '#A3C1AD',
},
},
},
};Tailwind v4 (@theme)
/* tailwind.css */
@theme {
--color-cambridge-blue: #A3C1AD;
}JSON Design Token (W3C format)
{
"cambridge-blue": {
"value": "#A3C1AD",
"type": "color",
"description": "Cambridge Blue — #A3C1AD"
}
}More teal colors
View all →What Does Cambridge Blue Mean? Color Psychology & Cultural Symbolism
Color psychology researchers note that blue-green tones like Cambridge Blue elicit a particularly broad range of positive associations across different demographic groups. This cross-market appeal—simultaneously sophisticated and accessible—is what makes it project innovation so reliably.
- Across color psychology research, teal consistently tests high for "innovation" associations, making Cambridge Blue a reliable vehicle for innovation in cross-demographic audiences.
- Brand designers draw on teal-family tones to project modern sophistication and trustworthiness—values that Cambridge Blue communicates in a light key.
- At 19% saturation, Cambridge Blue reads as muted—Muted teals (slate teal, dusty aqua) create sophisticated, timeless palettes—popular in interior design and brand identities that want to feel current without chasing trends.
- Cambridge Blue's light lightness (70%) shifts its psychological register: Pale aqua and light teal feel fresh, airy, and almost spa-like—excellent for wellness, beauty, and digital health applications where calm and approachability are paramount.
Cambridge Blue will feel fresh for a long time because it's built on permanent values—clarity, balance, and intelligence—not trend.
How to Use Cambridge Blue in Design: Applications, Pairings & Best Practices
Design systems built around Cambridge Blue tend to feel contemporary, clean, and purposeful. It pairs naturally with white, dark charcoal, and almost any warm neutral, making it an extremely designer-friendly color to build a palette around.
- Avoid: traditional, conservative institutions that need to signal historical trust (navy serves better), children's products where warmer colors perform better, and food branding.
- Color harmonies: Cambridge Blue's complementary color creates a high-energy split ideal for promotional design; its analogous palette (±30° hue) builds cohesive, monochromatic sophistication.
- Proportional use: Cambridge Blue's muted quality means it scales well across proportions—from full-bleed backgrounds to single-pixel borders—making it an unusually versatile palette component.
- Cambridge Blue creates strong legibility with black text overlays (10.8:1 contrast ratio), making it a reliable background or surface color in design systems
- Typography: Cambridge Blue as text requires a dark background; its 70% lightness means it provides 1.9:1 contrast on white, not meeting WCAG AA.
Cambridge Blue will feel fresh for a long time because it's built on permanent values—clarity, balance, and intelligence—not trend.
Cambridge Blue Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design
Cambridge Blue (#A3C1AD) achieves a 10.79:1 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: 48.9%.
- As text on white (#FFFFFF): 1.95:1 — Fail
- As text on black (#000000): 10.79:1 — AAA ✓
- Best text color on Cambridge Blue background: Black (#000000) at 10.79:1
- WCAG 2.1 luminance: 48.9% — above-median luminance—it reads as a light to mid-tone background, compatible with dark text while retaining color personality
- Cambridge 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.
Cambridge Blue's WCAG profile makes it a compliant choice for most text applications.
Cambridge Blue in Industry: Branding, Design & Market Applications
Across industry research, teal-family tones consistently outperform competitors in categories built on clarity, innovation, balance, and modern sophistication. Cambridge Blue is a light expression of this advantage—best positioned in Healthcare Technology and adjacent markets.
- Healthcare Technology: Teal has become the signature color of healthcare technology for a specific reason: it bridges clinical trust (blue's domain) with vitality and growth (green's domain), communicating that a product is both reliable and innovative. (examples: Notion, Slack, Salesforce) Particularly effective for telemedicine, health tracking apps, and digital wellness platforms that need clinical credibility without institutional coldness.
- SaaS & B2B Software: The modern SaaS industry has adopted teal as an alternative to blue that signals both professionalism and innovation. It works especially well for productivity tools, data platforms, and workflow software where clarity and intelligence are the core brand values. Teal differentiates from the blue-dominated enterprise market while maintaining the trust signals B2B buyers require.
- Financial Technology: Fintech brands use teal to signal that they're reimagining financial services—keeping the trustworthiness of traditional blue but adding a freshness that traditional banks lack. The color says "we take your money seriously and we're different from old banking." (examples: Notion, Slack, Salesforce) Works best paired with clean white and dark charcoal for maximum fintech modernity.
- Brand positioning: Cambridge Blue is best suited for brands projecting modern sophistication, trustworthiness, balance. Categories outside this positioning—traditional—tend to see weaker results.
- Adjacent applications: Beyond primary industries, Cambridge Blue works effectively in professional services branding, wellness apps, financial dashboards—contexts where balance serves a secondary but reinforcing role.
Cambridge Blue earns its strongest ROI in industries where trust and recognition compound over time: Healthcare Technology, SaaS & B2B Software, Financial Technology. Use it to build the kind of brand recognition that decades reinforce.
Accessibility & Design Guides
Frequently Asked Questions
- What is the hex code for Cambridge Blue? ▾
- The hex code for Cambridge Blue is #A3C1AD. Its RGB values are rgb(163, 193, 173) and its HSL values are hsl(140, 19%, 70%).
- What does Cambridge Blue mean in design? ▾
- Teal occupies the sophisticated intersection of blue's trust and green's vitality. It feels calming yet distinctive — neither the corporate ubiquity of navy nor the aggressive freshness of lime green. Teal is associated with healing, emotional balance, and clarity of thought. It gained significant cultural cachet in the 2010s as a design-forward alternative to standard blues in healthcare and technology branding. Deeper teals feel luxurious and authoritative; lighter teals feel fresh and energetic. Teal is one of the few colors that reads well in both light and dark themes. Its primary challenge is legibility — teal text on white often fails WCAG AA without careful shade selection. 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 Cambridge Blue WCAG accessible? ▾
- Cambridge Blue (#A3C1AD) does not pass WCAG AA on white (1.95:1 ratio). Use it on dark backgrounds where it achieves 10.79:1. Its overall accessibility score is 48/100.
- What colors go well with Cambridge Blue? ▾
- Cambridge Blue pairs well with its complementary color Rose Pink (#FF66CC). Analogous colors like Mantis and Celadon also work harmoniously. Check the Color Harmonies section above for the full palette.
- What is Cambridge Blue used for? ▾
- Cambridge Blue is commonly used for: Healthcare technology and health apps; Mental health and wellness platforms; Fintech brands seeking blue-alternative trust; Premium interior design and home accessories; Environmental and ocean-focused organizations.
- What are the CSS and Tailwind values for Cambridge Blue? ▾
- In CSS, use `color: #A3C1AD` or `background-color: #A3C1AD`. The CSS custom property is `--color-cambridge-blue: #A3C1AD`. In Tailwind CSS, use the arbitrary value class `bg-[#A3C1AD]` for backgrounds or `text-[#A3C1AD]` for text.