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#2B3238 · #413D4B · #63B1C7 · #8BB7C3 · #B8D0D9

cool

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

HarmoniousVersatileCool

Industry INDUSTRY

E-commerceBusiness

UI Context UI CONTEXT

Web PageComponent LibraryData Visualization

Color Details Color Details

#2B3238

Slate Blue · DarkSlateGray · Deep Sea Blue

HEX
#2B3238
RGB
rgb(43, 50, 56)
HSL
hsl(208, 13%, 19%)
HSB
hsb(208, 23%, 22%)
CMYK
cmyk(23%, 11%, 0%, 78%)
Oklch
oklch(31.3% 0.014 244.1)

Traditional「Slate Blue」· Paint「Deep Sea Blue」· Creative Blush Sunrise

#413D4B

Deep Indigo · DarkSlateGray · Prussian Blue

HEX
#413D4B
RGB
rgb(65, 61, 75)
HSL
hsl(257, 10%, 27%)
HSB
hsb(257, 19%, 29%)
CMYK
cmyk(13%, 19%, 0%, 71%)
Oklch
oklch(37.0% 0.024 298.3)

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

#63B1C7

Slate Blue · MediumAquaMarine · Lake Green

HEX
#63B1C7
RGB
rgb(99, 177, 199)
HSL
hsl(193, 47%, 58%)
HSB
hsb(193, 50%, 78%)
CMYK
cmyk(50%, 11%, 0%, 22%)
Oklch
oklch(71.9% 0.083 218.2)

Traditional「Slate Blue」· Paint「Lake Green」· Creative Blush Sunrise

#8BB7C3

Sky Blue · DarkGray · Lake Green

HEX
#8BB7C3
RGB
rgb(139, 183, 195)
HSL
hsl(193, 32%, 65%)
HSB
hsb(193, 29%, 76%)
CMYK
cmyk(29%, 6%, 0%, 24%)
Oklch
oklch(75.2% 0.050 216.3)

Traditional「Sky Blue」· Paint「Lake Green」· Creative Arctic Pool

#B8D0D9

Sky Blue · LightSteelBlue · Glacier Blue

HEX
#B8D0D9
RGB
rgb(184, 208, 217)
HSL
hsl(196, 30%, 79%)
HSB
hsb(196, 15%, 85%)
CMYK
cmyk(15%, 4%, 0%, 15%)
Oklch
oklch(84.2% 0.029 222.3)

Traditional「Sky Blue」· Paint「Glacier Blue」· Creative Arctic Pool

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

2B3238
37302A

Analogous

2A3736
2B3238
2A2B37

Triadic

2B3238
372A31
31372A

Split-Comp.

2B3238
372A2B
37362A

Tetradic

2B3238
362A37
37302A
2B372A

Contrast Matrix WCAG 2.1 Contrast

2B3238
413D4B
63B1C7
8BB7C3
B8D0D9
—
1.2
Fail
5.3
AA
6.0
AA
8.1
AAA
1.2
Fail
—
4.3
AA Large
4.8
AA
6.6
AA
5.3
AA
4.3
AA Large
—
1.1
Fail
1.5
Fail
6.0
AA
4.8
AA
1.1
Fail
—
1.4
Fail
8.1
AAA
6.6
AA
1.5
Fail
1.4
Fail
—
White BG
13.0AAA
10.5AAA
2.4Fail
2.2Fail
1.6Fail
Black BG
1.6Fail
2.0Fail
8.6AAA
9.7AAA
13.1AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

2E2E37
3F3F48
8585C2
9E9EC0
C2C3D7

Deuteranopia

2E2D36
404047
807AC0
9C98BF
C1BFD6

Tritanopia

2B3535
414544
67BDBD
8DBEBD
B9D5D5

Achromatopsia

313131
404040
9C9C9C
ABABAB
CACACA

Shades & Tints Shades & Tints

#2B3238

Dark
Light

#413D4B

Dark
Light

#63B1C7

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #2b3238;
  --color-2: #413d4b;
  --color-3: #63b1c7;
  --color-4: #8bb7c3;
  --color-5: #b8d0d9;
}

SCSS

$color-1: #2b3238;
$color-2: #413d4b;
$color-3: #63b1c7;
$color-4: #8bb7c3;
$color-5: #b8d0d9;

TAILWIND

colors: {
  'brand-1': '#2b3238',
  'brand-2': '#413d4b',
  'brand-3': '#63b1c7',
  'brand-4': '#8bb7c3',
  'brand-5': '#b8d0d9',
}

RGB Array

[43, 50, 56], [65, 61, 75], [99, 177, 199], [139, 183, 195], [184, 208, 217]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #2B3238, #413D4B, #63B1C7, #8BB7C3, #B8D0D9 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: #2b3238; --color-2: #413d4b; --color-3: #63b1c7; --color-4: #8bb7c3; --color-5: #b8d0d9. 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