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#223140 · #2E4359 · #ECECEE · #B5191D · #820805

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

#223140

Indigo · DarkSlateGray · Deep Sea Blue

HEX
#223140
RGB
rgb(34, 49, 64)
HSL
hsl(210, 31%, 19%)
HSB
hsb(210, 47%, 25%)
CMYK
cmyk(47%, 23%, 0%, 75%)
Oklch
oklch(30.7% 0.034 249.0)

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

#2E4359

Indigo · DarkSlateGray · Prussian Blue

HEX
#2E4359
RGB
rgb(46, 67, 89)
HSL
hsl(211, 32%, 26%)
HSB
hsb(211, 48%, 35%)
CMYK
cmyk(48%, 25%, 0%, 65%)
Oklch
oklch(37.5% 0.046 250.3)

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

#ECECEE

Plain White · Lavender · Cloud White

HEX
#ECECEE
RGB
rgb(236, 236, 238)
HSL
hsl(240, 6%, 93%)
HSB
hsb(240, 1%, 93%)
CMYK
cmyk(1%, 1%, 0%, 7%)
Oklch
oklch(94.4% 0.003 286.3)

Traditional「Plain White」· Paint「Cloud White」· Creative Morning Mist

#B5191D

Vermilion · FireBrick · Wine Red

HEX
#B5191D
RGB
rgb(181, 25, 29)
HSL
hsl(358, 76%, 40%)
HSB
hsb(358, 86%, 71%)
CMYK
cmyk(0%, 86%, 84%, 29%)
Oklch
oklch(49.6% 0.188 26.8)

Traditional「Vermilion」· Paint「Wine Red」· Creative Blush Sunrise

#820805

Vermilion · Maroon · Wine Red

HEX
#820805
RGB
rgb(130, 8, 5)
HSL
hsl(1, 93%, 26%)
HSB
hsb(1, 96%, 51%)
CMYK
cmyk(0%, 94%, 96%, 49%)
Oklch
oklch(38.5% 0.152 29.1)

Traditional「Vermilion」· Paint「Wine Red」· Creative Blush Sunrise

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

223140
3F3021

Analogous

213F3F
223140
21213F

Triadic

223140
3F2130
303F21

Split-Comp.

223140
3F2121
3F3F21

Tetradic

223140
3F213F
3F3021
213F21

Contrast Matrix WCAG 2.1 Contrast

223140
2E4359
ECECEE
B5191D
820805
—
1.3
Fail
11.3
AAA
2.0
Fail
1.3
Fail
1.3
Fail
—
8.6
AAA
1.5
Fail
1.0
Fail
11.3
AAA
8.6
AAA
—
5.7
AA
9.0
AAA
2.0
Fail
1.5
Fail
5.7
AA
—
1.6
Fail
1.3
Fail
1.0
Fail
9.0
AAA
1.6
Fail
—
White BG
13.3AAA
10.2AAA
1.2Fail
6.7AA
10.6AAA
Black BG
1.6Fail
2.1Fail
17.8AAA
3.1AA Large
2.0Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

28293C
373754
ECECEE
71701C
4D4C06

Deuteranopia

28273C
363452
ECECED
7B861C
545D06

Tritanopia

233A39
2F4F4F
ECEDED
AD1B1B
7C0606

Achromatopsia

2E2E2E
3F3F3F
ECECEC
484848
2C2C2C

Shades & Tints Shades & Tints

#223140

Dark
Light

#2E4359

Dark
Light

#ECECEE

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #223140;
  --color-2: #2e4359;
  --color-3: #ececee;
  --color-4: #b5191d;
  --color-5: #820805;
}

SCSS

$color-1: #223140;
$color-2: #2e4359;
$color-3: #ececee;
$color-4: #b5191d;
$color-5: #820805;

TAILWIND

colors: {
  'brand-1': '#223140',
  'brand-2': '#2e4359',
  'brand-3': '#ececee',
  'brand-4': '#b5191d',
  'brand-5': '#820805',
}

RGB Array

[34, 49, 64], [46, 67, 89], [236, 236, 238], [181, 25, 29], [130, 8, 5]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #223140, #2E4359, #ECECEE, #B5191D, #820805 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: #223140; --color-2: #2e4359; --color-3: #ececee; --color-4: #b5191d; --color-5: #820805. 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