Tints & Shades
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Scale from white (50) through Ice Blue (500) to black (900), interpolated in Lab color space.
Color Values
- HEX
- #99C5C4
- RGB
- rgb(153, 197, 196)
- HSL
- hsl(179, 28%, 69%)
- OKLCH
- oklch(0.792 0.046 194)
- CMYK
- cmyk(22%, 0%, 1%, 23%)
--color-ice-bluebg-[#99C5C4]Accessibility
Score: 48/100On White (#FFF)
1.89:1
On Black (#000)
11.14:1
On Light Gray (#F5F5F5)
1.73:1
Best text color on this background:
Design Applications
background-color: #99C5C4
color: #99C5C4
bg-[#99C5C4] text-[#000000]
border-left: 4px solid #99C5C4
Color Harmonies
Similar Colors
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 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 Ice 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
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
Ice Blue is a light color. Use black (#000000) text on top of it for maximum readability (11.14:1). Avoid white text on this background.
CSS & Code Examples
Background
background-color: #99C5C4;Text
color: #99C5C4;Border
border: 2px solid #99C5C4;Box Shadow
box-shadow: 0 4px 20px #99C5C440;Gradient
background: linear-gradient(135deg, #99C5C4, #cbf8f7);Tailwind-style
--color-ice-blue: #99C5C4;Tailwind CSS Utilities
Use arbitrary value syntax in Tailwind CSS to apply Ice Blue without a custom config.
Background
bg-[#99C5C4]Text
text-[#99C5C4]Border
border-[#99C5C4]Ring
ring-[#99C5C4]Fill
fill-[#99C5C4]From (gradient)
from-[#99C5C4]Via (gradient)
via-[#99C5C4]To (gradient)
to-[#99C5C4]Design Tokens
Ready-to-use Ice Blue design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.
CSS Custom Properties
:root {
--color-ice-blue: #99C5C4;
--color-ice-blue-rgb: 153, 197, 196;
--color-ice-blue-hsl: 179, 28%, 69%;
}SCSS Variables
$color-ice-blue: #99C5C4; $color-ice-blue-rgb: 153, 197, 196; $color-ice-blue-hsl: 179, 28%, 69%;
Tailwind v3 Config
// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'ice-blue': '#99C5C4',
},
},
},
};Tailwind v4 (@theme)
/* tailwind.css */
@theme {
--color-ice-blue: #99C5C4;
}JSON Design Token (W3C format)
{
"ice-blue": {
"value": "#99C5C4",
"type": "color",
"description": "Ice Blue — #99C5C4"
}
}More blue colors
View all →What Does Ice Blue Mean? Color Psychology & Cultural Symbolism
Ice Blue at #99C5C4 is a mid-tone expression of the trust spectrum. Blue tones are processed by the brain's credibility centers before conscious evaluation—which is why virtually every major financial institution, technology company, and government body defaults to the blue family to establish authority.
- 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).
- Ice Blue's mid-tone lightness (69%) shifts its psychological register: Sky and powder blues feel open, airy, and emotionally approachable—softening corporate authority into friendliness; popular in consumer tech and digital wellness.
- At 28% saturation, Ice Blue reads as muted—Steel, slate, and dusty blues carry a quiet sophistication—neutral enough to anchor a palette without dominating it, and professional without the formality of navy.
Ice Blue doesn't need to announce itself—it simply makes everything around it feel more reliable.
How to Use Ice Blue in Design: Applications, Pairings & Best Practices
Ice Blue is a workhorse color in design systems—reliable in both semantic (interactive, informational) and aesthetic (trusted, professional) roles. Its muted saturation means it performs across both digital and print contexts without fatigue.
- UI components: primary brand color, link color, interactive states—Ice Blue performs reliably in all these roles with its mid-tone tonal character.
- Brand & identity: corporate identity, banking and finance UIs, healthcare platforms—contexts where Ice Blue's muted quality creates the right register.
- Typography: Ice Blue as text requires a dark background; its 69% lightness means it provides 1.9:1 contrast on white, not meeting WCAG AA.
- Ice Blue creates strong legibility with black text overlays (11.1:1 contrast ratio), making it a reliable background or surface color in design systems
- Proportional use: Ice 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.
Ice Blue doesn't need to announce itself—it simply makes everything around it feel more reliable.
Ice Blue Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design
Ice Blue (#99C5C4) achieves a 11.14:1 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: 50.7%.
- As text on white (#FFFFFF): 1.89:1 — Fail
- As text on black (#000000): 11.14:1 — AAA ✓
- Best text color on Ice Blue background: Black (#000000) at 11.14:1
- WCAG 2.1 luminance: 50.7% — above-median luminance—it reads as a light to mid-tone background, compatible with dark text while retaining color personality
- Ice 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 Ice 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.
Ice Blue in Industry: Branding, Design & Market Applications
Ice Blue's brand positioning falls squarely in the territory of trust, reliability, calm, and professionalism. Industry data supports its strongest performance in finance, technology, healthcare categories, where the muted saturation calibrates the message at a mid-tone, considered level.
- 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: Notion, Slack, 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: Headspace, One Medical, Kaiser Permanente) Teal-blue works particularly well for health tech and telemedicine, balancing clinical trust with digital accessibility.
- Brand positioning: Ice Blue is best suited for brands projecting trustworthiness, reliability, 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, Ice Blue works effectively in corporate identity, banking and finance UIs, healthcare platforms—contexts where trust serves a secondary but reinforcing role.
For marketers and brand strategists, Ice Blue is a commitment to trust, reliability, calm, and professionalism. 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 Ice Blue? ▾
- The hex code for Ice Blue is #99C5C4. Its RGB values are rgb(153, 197, 196) and its HSL values are hsl(179, 28%, 69%).
- What does Ice 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 lighter value makes it approachable and soft — suitable for backgrounds, secondary UI states, and contexts requiring the hue's character without full intensity.
- Is Ice Blue WCAG accessible? ▾
- Ice Blue (#99C5C4) does not pass WCAG AA on white (1.89:1 ratio). Use it on dark backgrounds where it achieves 11.14:1. Its overall accessibility score is 48/100.
- What colors go well with Ice Blue? ▾
- Ice Blue pairs well with its complementary color Red (#FF0000). Analogous colors like Patina and Alexandrite also work harmoniously. Check the Color Harmonies section above for the full palette.
- What is Ice Blue used for? ▾
- Ice 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 Ice Blue? ▾
- In CSS, use `color: #99C5C4` or `background-color: #99C5C4`. The CSS custom property is `--color-ice-blue: #99C5C4`. In Tailwind CSS, use the arbitrary value class `bg-[#99C5C4]` for backgrounds or `text-[#99C5C4]` for text.