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#0F1827 · #213742 · #616C70 · #91998E · #EFE1BC

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

#0F1827

Indigo · Black · Deep Sea Blue

HEX
#0F1827
RGB
rgb(15, 24, 39)
HSL
hsl(218, 44%, 11%)
HSB
hsb(218, 62%, 15%)
CMYK
cmyk(62%, 38%, 0%, 85%)
Oklch
oklch(20.8% 0.033 260.3)

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

#213742

Slate Blue · DarkSlateGray · Deep Sea Blue

HEX
#213742
RGB
rgb(33, 55, 66)
HSL
hsl(200, 33%, 19%)
HSB
hsb(200, 50%, 26%)
CMYK
cmyk(50%, 17%, 0%, 74%)
Oklch
oklch(32.3% 0.034 230.9)

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

#616C70

Ink Gray · DimGray · Warm Gray

HEX
#616C70
RGB
rgb(97, 108, 112)
HSL
hsl(196, 7%, 41%)
HSB
hsb(196, 13%, 44%)
CMYK
cmyk(13%, 4%, 0%, 56%)
Oklch
oklch(52.3% 0.015 221.6)

Traditional「Ink Gray」· Paint「Warm Gray」· Creative Urban Concrete

#91998E

Ash · LightSlateGray · Silver Sand

HEX
#91998E
RGB
rgb(145, 153, 142)
HSL
hsl(104, 5%, 58%)
HSB
hsb(104, 7%, 60%)
CMYK
cmyk(5%, 0%, 7%, 40%)
Oklch
oklch(67.3% 0.018 137.1)

Traditional「Ash」· Paint「Silver Sand」· Creative Urban Concrete

#EFE1BC

Goose Yellow · Wheat · Lemon Cream

HEX
#EFE1BC
RGB
rgb(239, 225, 188)
HSL
hsl(44, 61%, 84%)
HSB
hsb(44, 21%, 94%)
CMYK
cmyk(0%, 6%, 21%, 6%)
Oklch
oklch(91.2% 0.051 89.8)

Traditional「Goose Yellow」· Paint「Lemon Cream」· Creative Lemon Fizz

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

0F1827
281F10

Analogous

102528
0F1827
131028

Triadic

0F1827
281019
192810

Split-Comp.

0F1827
281310
252810

Tetradic

0F1827
281025
281F10
102813

Contrast Matrix WCAG 2.1 Contrast

0F1827
213742
616C70
91998E
EFE1BC
—
1.4
Fail
3.3
AA Large
6.1
AA
13.7
AAA
1.4
Fail
—
2.3
Fail
4.2
AA Large
9.6
AAA
3.3
AA Large
2.3
Fail
—
1.8
Fail
4.2
AA Large
6.1
AA
4.2
AA Large
1.8
Fail
—
2.3
Fail
13.7
AAA
9.6
AAA
4.2
AA Large
2.3
Fail
—
White BG
17.8AAA
12.4AAA
5.4AA
2.9Fail
1.3Fail
Black BG
1.2Fail
1.7Fail
3.9AA Large
7.2AAA
16.2AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

131323
2B2B3F
66666F
949591
E9E9C5

Deuteranopia

121223
29283F
65646F
949391
EAEBC7

Tritanopia

0F2120
223D3D
626E6E
919393
EECCCE

Achromatopsia

171717
323232
696969
959595
E1E1E1

Shades & Tints Shades & Tints

#0F1827

Dark
Light

#213742

Dark
Light

#616C70

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #0f1827;
  --color-2: #213742;
  --color-3: #616c70;
  --color-4: #91998e;
  --color-5: #efe1bc;
}

SCSS

$color-1: #0f1827;
$color-2: #213742;
$color-3: #616c70;
$color-4: #91998e;
$color-5: #efe1bc;

TAILWIND

colors: {
  'brand-1': '#0f1827',
  'brand-2': '#213742',
  'brand-3': '#616c70',
  'brand-4': '#91998e',
  'brand-5': '#efe1bc',
}

RGB Array

[15, 24, 39], [33, 55, 66], [97, 108, 112], [145, 153, 142], [239, 225, 188]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #0F1827, #213742, #616C70, #91998E, #EFE1BC is ideal for: infographics, data visualization, accessible design. High contrast ensures clear visual hierarchy and readability. It is a balanced and harmonious choice among 5-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #0f1827; --color-2: #213742; --color-3: #616c70; --color-4: #91998e; --color-5: #efe1bc. 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. 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