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#CCCCCC · #3DBDB2 · #577885 · #4E4C66 · #2A2B2E

cool

A 5-color cool palette · Complete color analysis and application guide

Scene Recommendations Scene Recommendations

Emotion EMOTION

HarmoniousVersatileWarmCool

Industry INDUSTRY

E-commerceBusiness

UI Context UI CONTEXT

Web PageComponent LibraryData Visualization

Color Details Color Details

#CCCCCC

Silver Gray · LightGray · Pearl Gray

HEX
#CCCCCC
RGB
rgb(204, 204, 204)
HSL
hsl(0, 0%, 80%)
HSB
hsb(0, 0%, 80%)
CMYK
cmyk(0%, 0%, 0%, 20%)
Oklch
oklch(84.5% 0.000 89.9)

Traditional「Silver Gray」· Paint「Pearl Gray」· Creative Silver Lining

#3DBDB2

Mineral Blue · LightSeaGreen · Mint Ice

HEX
#3DBDB2
RGB
rgb(61, 189, 178)
HSL
hsl(175, 51%, 49%)
HSB
hsb(175, 68%, 74%)
CMYK
cmyk(68%, 0%, 6%, 26%)
Oklch
oklch(72.7% 0.111 186.8)

Traditional「Mineral Blue」· Paint「Mint Ice」· Creative Blush Sunrise

#577885

Slate Blue · SlateGray · Mint Ice

HEX
#577885
RGB
rgb(87, 120, 133)
HSL
hsl(197, 21%, 43%)
HSB
hsb(197, 35%, 52%)
CMYK
cmyk(35%, 10%, 0%, 48%)
Oklch
oklch(55.2% 0.043 224.3)

Traditional「Slate Blue」· Paint「Mint Ice」· Creative Blush Sunrise

#4E4C66

Deep Indigo · DarkSlateGray · Prussian Blue

HEX
#4E4C66
RGB
rgb(78, 76, 102)
HSL
hsl(245, 15%, 35%)
HSB
hsb(245, 25%, 40%)
CMYK
cmyk(24%, 25%, 0%, 60%)
Oklch
oklch(42.9% 0.043 288.0)

Traditional「Deep Indigo」· Paint「Prussian Blue」· Creative Blush Sunrise

#2A2B2E

Dark Cyan · DarkSlateGray · Dark Stone

HEX
#2A2B2E
RGB
rgb(42, 43, 46)
HSL
hsl(225, 5%, 17%)
HSB
hsb(225, 9%, 18%)
CMYK
cmyk(9%, 7%, 0%, 82%)
Oklch
oklch(28.9% 0.006 271.2)

Traditional「Dark Cyan」· Paint「Dark Stone」· Creative Midnight Shadow

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

CCCCCC
CCCCCC

Analogous

CCCCCC
CCCCCC
CCCCCC

Triadic

CCCCCC
CCCCCC
CCCCCC

Split-Comp.

CCCCCC
CCCCCC
CCCCCC

Tetradic

CCCCCC
CCCCCC
CCCCCC
CCCCCC

Contrast Matrix WCAG 2.1 Contrast

CCCCCC
3DBDB2
577885
4E4C66
2A2B2E
—
1.4
Fail
3.0
Fail
5.1
AA
8.8
AAA
1.4
Fail
—
2.1
Fail
3.6
AA Large
6.1
AA
3.0
Fail
2.1
Fail
—
1.7
Fail
3.0
Fail
5.1
AA
3.6
AA Large
1.7
Fail
—
1.7
Fail
8.8
AAA
6.1
AA
3.0
Fail
1.7
Fail
—
White BG
1.6Fail
2.3Fail
4.7AA
8.2AAA
14.2AAA
Black BG
13.1AAA
9.1AAA
4.4AA Large
2.5Fail
1.5Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

CCCCCC
7476B5
656682
4D4D60
2A2A2D

Deuteranopia

CCCCCC
6D63B5
636181
4D4D5E
2A2A2D

Tritanopia

CCCCCC
43B7B7
597F7F
4E5B5A
2A2D2D

Achromatopsia

CCCCCC
959595
707070
505050
2B2B2B

Shades & Tints Shades & Tints

#CCCCCC

Dark
Light

#3DBDB2

Dark
Light

#577885

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #cccccc;
  --color-2: #3dbdb2;
  --color-3: #577885;
  --color-4: #4e4c66;
  --color-5: #2a2b2e;
}

SCSS

$color-1: #cccccc;
$color-2: #3dbdb2;
$color-3: #577885;
$color-4: #4e4c66;
$color-5: #2a2b2e;

TAILWIND

colors: {
  'brand-1': '#cccccc',
  'brand-2': '#3dbdb2',
  'brand-3': '#577885',
  'brand-4': '#4e4c66',
  'brand-5': '#2a2b2e',
}

RGB Array

[204, 204, 204], [61, 189, 178], [87, 120, 133], [78, 76, 102], [42, 43, 46]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #CCCCCC, #3DBDB2, #577885, #4E4C66, #2A2B2E is ideal for: brand design, premium product pages, magazine layouts, infographics, data visualization, accessible design. Low-saturation colors convey a sophisticated, premium feel. High contrast ensures clear visual hierarchy and readability. It is a classic and elegant choice among 5-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #cccccc; --color-2: #3dbdb2; --color-3: #577885; --color-4: #4e4c66; --color-5: #2a2b2e. LangColor editor supports one-click export to CSS, SCSS, Tailwind, JSON and more. Click the "Export" button to choose your format.

What UI/UX design tips apply to this palette?

Medium-brightness colors suit brand primary and accent colors. Use the darkest for text, lightest for backgrounds, and mid-tones for emphasis. High-contrast palettes naturally meet WCAG accessibility standards. Use the "Contrast Matrix" tool in LangColor editor to check WCAG accessibility levels for every color pair.

Which industries or brands suit this palette?

This cool-style 5-color scheme is especially suited for tech, SaaS, healthcare, eco industries. Restrained colors convey professionalism and trust. Click "AI Analysis" in the editor for more detailed brand color suggestions.

🎨 Open this palette in Editor →

Generated by LangColor online color tool · Breaking the barrier between language and color