Tints & Shades
50
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800
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Scale from white (50) through Cool Gray (500) to black (900), interpolated in Lab color space.
Color Values
- HEX
- #9090C0
- RGB
- rgb(144, 144, 192)
- HSL
- hsl(240, 28%, 66%)
- OKLCH
- oklch(0.671 0.071 284)
- CMYK
- cmyk(25%, 25%, 0%, 25%)
--color-cool-graybg-[#9090C0]Accessibility
Score: 31/100On White (#FFF)
3.03:1
On Black (#000)
6.94:1
On Light Gray (#F5F5F5)
2.78:1
Best text color on this background:
Design Applications
background-color: #9090C0
color: #9090C0
bg-[#9090C0] text-[#000000]
border-left: 4px solid #9090C0
Color Harmonies
Similar Colors
Color Meaning & Psychology
Gray is the color of balance, intelligence, and maturity. Unlike black or white, gray makes no strong statement — it allows other design elements to speak. Light grays are versatile backgrounds that convey modernity and cleanliness; mid-grays feel sophisticated and professional; dark charcoals carry authority without the extremity of black. Gray's emotional neutrality has made it the dominant color of Apple's design language and most premium technology hardware. Cool grays (blue-tinted) feel modern and urban; warm grays (brown-tinted, often called "greige") feel approachable and cozy. Gray can feel dull and lifeless without colorful accents — context determines whether it reads as timeless or uninspired. 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 Cool Gray is applied in professional design.
- Premium technology hardware and devices
- Architectural and interior design services
- Automotive brands emphasizing refinement
- Financial and professional services
- Typography and editorial design
- Industrial and engineering companies
- Minimalist fashion and luxury apparel
- Enterprise software UI neutral elements
Accessibility Considerations
Normal Text
Fails 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
Cool Gray is a light color. Use black (#000000) text on top of it for maximum readability (6.94:1). Avoid white text on this background.
CSS & Code Examples
Background
background-color: #9090C0;Text
color: #9090C0;Border
border: 2px solid #9090C0;Box Shadow
box-shadow: 0 4px 20px #9090C040;Gradient
background: linear-gradient(135deg, #9090C0, #c1c0f3);Tailwind-style
--color-cool-gray: #9090C0;Tailwind CSS Utilities
Use arbitrary value syntax in Tailwind CSS to apply Cool Gray without a custom config.
Background
bg-[#9090C0]Text
text-[#9090C0]Border
border-[#9090C0]Ring
ring-[#9090C0]Fill
fill-[#9090C0]From (gradient)
from-[#9090C0]Via (gradient)
via-[#9090C0]To (gradient)
to-[#9090C0]Design Tokens
Ready-to-use Cool Gray design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.
CSS Custom Properties
:root {
--color-cool-gray: #9090C0;
--color-cool-gray-rgb: 144, 144, 192;
--color-cool-gray-hsl: 240, 28%, 66%;
}SCSS Variables
$color-cool-gray: #9090C0; $color-cool-gray-rgb: 144, 144, 192; $color-cool-gray-hsl: 240, 28%, 66%;
Tailwind v3 Config
// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'cool-gray': '#9090C0',
},
},
},
};Tailwind v4 (@theme)
/* tailwind.css */
@theme {
--color-cool-gray: #9090C0;
}JSON Design Token (W3C format)
{
"cool-gray": {
"value": "#9090C0",
"type": "color",
"description": "Cool Gray — #9090C0"
}
}More gray colors
View all →What Does Cool Gray Mean? Color Psychology & Cultural Symbolism
Gray occupies a unique psychological position in color theory. Unlike most colors, it carries almost no direct emotional charge—instead, it creates the conditions for other colors and design elements to be evaluated on their own terms. Cool Gray at #9090C0 projects timelessness as a positive quality, not a deficit.
- Gray is design's great enabler—the neutral foundation on which other colors perform. In corporate contexts it projects professionalism without warmth (contrasted with blue) or assertiveness (contrasted with black). In luxury design, sophisticated warm grays signal refinement and editorial taste.
- In Japanese aesthetics, gray (haiiro) is deeply valued for its understated elegance—a key component of the wabi-sabi philosophy of imperfect, restrained beauty. Chinese ink painting depends on the full spectrum of gray tones as an expressive medium in itself.
- Cool Gray's mid-tone lightness (66%) shifts its psychological register: Light grays are design's most essential neutral—they function as sophisticated whites, creating space without the harshness of pure #FFFFFF.
- At 28% saturation, Cool Gray reads as muted—All grays are inherently muted, but mid-tones in the 40-60% lightness range do the heaviest lifting in sophisticated design systems—providing contrast, hierarchy, and structure without ever competing with the palette's primary colors.
Cool Gray asks nothing of the viewer and gives everything to the design. That's the quiet genius of neutrals.
How to Use Cool Gray in Design: Applications, Pairings & Best Practices
The decision between warm and cool gray is one of design's subtler but more consequential choices. Cool Gray's undertone is cool—which means it pairs naturally with white, concrete grays, and feels at home in digital-forward, technical contexts in context.
- UI components: neutral backgrounds, disabled states, secondary text—Cool Gray performs reliably in all these roles with its mid-tone tonal character.
- Brand & identity: professional service identities, technology UIs, editorial layouts—contexts where Cool Gray's muted quality creates the right register.
- Typography: Cool Gray as text requires a dark background; its 66% lightness means it provides 3.0:1 contrast on white, not meeting WCAG AA.
- Cool Gray creates strong legibility with black text overlays (6.9:1 contrast ratio), making it a reliable background or surface color in design systems
- Proportional use: Cool Gray's muted quality means it scales well across proportions—from full-bleed backgrounds to single-pixel borders—making it an unusually versatile palette component.
Cool Gray asks nothing of the viewer and gives everything to the design. That's the quiet genius of neutrals.
Cool Gray Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design
Cool Gray (#9090C0) reaches 6.94:1 contrast with black text—meeting WCAG 2.1 AA minimum of 4.5:1 for normal text and 3:1 for large text. It clears standard production accessibility requirements. Relative luminance: 29.7%.
- As text on white (#FFFFFF): 3.03:1 — AA (large text only)
- As text on black (#000000): 6.94:1 — AA ✓
- Best text color on Cool Gray background: Black (#000000) at 6.94:1
- WCAG 2.1 luminance: 29.7% — mid-range luminance—it sits in the transition zone where both dark and light text approaches require testing against the 4.5:1 WCAG threshold
- Cool Gray qualifies for normal body text and all larger sizes (AA).
Cool Gray's WCAG profile makes it a compliant choice for most text applications.
Cool Gray in Industry: Branding, Design & Market Applications
Cool Gray (#9090C0) is most at home in industries where neutrality, professionalism, sophistication, and balance are key brand values. Its mid-tone quality makes it particularly effective in Technology contexts, where the muted saturation signals balance at exactly the right register.
- Technology: Gray dominates technology UI design because it provides the neutral canvas on which colorful, dynamic interface elements perform. Apple's aluminum aesthetic established gray as the physical language of precision engineering, an association that has persisted across all of tech. (examples: Notion, Slack, Salesforce) Cool grays signal digital precision; warm grays feel more approachable and human—choice depends on product personality.
- Finance & Professional Services: Gray communicates the seriousness of people who manage important things—it's the suit of the professional world. Financial services, consulting, and legal firms use it to project competence, precision, and the absence of emotional noise. (examples: JPMorgan Chase, Goldman Sachs, Visa) Dark charcoal is more authoritative than mid-gray for premium financial brands; lighter grays communicate approachable modernity.
- Luxury & Automotive: Luxury brands use sophisticated warm grays as an alternative to the expected black—it signals refinement, editorial taste, and the confidence that doesn't need to shout. Automotive brands use it for the same reason: gray cars signal understated premium quality. (examples: Porsche, Tesla, Mercedes-Benz) The specific undertone of a luxury gray (warm vs cool, light vs dark) determines whether it reads as contemporary or classic.
- Brand positioning: Cool Gray is best suited for brands projecting professionalism, neutrality, sophistication. Categories outside this positioning—color-forward consumer brands that need warmth and personality—tend to see weaker results.
- Adjacent applications: Beyond primary industries, Cool Gray works effectively in professional service identities, technology UIs, editorial layouts—contexts where balance serves a secondary but reinforcing role.
The industries where Cool Gray performs best are those where the audience expects balance. Build brand strategy around this alignment, not against it.
Accessibility & Design Guides
Frequently Asked Questions
- What is the hex code for Cool Gray? ▾
- The hex code for Cool Gray is #9090C0. Its RGB values are rgb(144, 144, 192) and its HSL values are hsl(240, 28%, 66%).
- What does Cool Gray mean in design? ▾
- Gray is the color of balance, intelligence, and maturity. Unlike black or white, gray makes no strong statement — it allows other design elements to speak. Light grays are versatile backgrounds that convey modernity and cleanliness; mid-grays feel sophisticated and professional; dark charcoals carry authority without the extremity of black. Gray's emotional neutrality has made it the dominant color of Apple's design language and most premium technology hardware. Cool grays (blue-tinted) feel modern and urban; warm grays (brown-tinted, often called "greige") feel approachable and cozy. Gray can feel dull and lifeless without colorful accents — context determines whether it reads as timeless or uninspired. 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 Cool Gray WCAG accessible? ▾
- Cool Gray (#9090C0) passes WCAG AA-large on white with a 3.03:1 contrast ratio. Its overall accessibility score is 31/100.
- What colors go well with Cool Gray? ▾
- Cool Gray pairs well with its complementary color Yellow (#FFFF00). Analogous colors like Bleu de France and Royal Blue also work harmoniously. Check the Color Harmonies section above for the full palette.
- What is Cool Gray used for? ▾
- Cool Gray is commonly used for: Premium technology hardware and devices; Architectural and interior design services; Automotive brands emphasizing refinement; Financial and professional services; Typography and editorial design.
- What are the CSS and Tailwind values for Cool Gray? ▾
- In CSS, use `color: #9090C0` or `background-color: #9090C0`. The CSS custom property is `--color-cool-gray: #9090C0`. In Tailwind CSS, use the arbitrary value class `bg-[#9090C0]` for backgrounds or `text-[#9090C0]` for text.