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#0D3737 · #4D3737 · #8D3737 · #BD3737 · #FD3737

A 5-color palette 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

#0D3737

Lake Blue · DarkSlateGray · Peacock Green

HEX
#0D3737
RGB
rgb(13, 55, 55)
HSL
hsl(180, 62%, 13%)
HSB
hsb(180, 76%, 22%)
CMYK
cmyk(76%, 0%, 0%, 78%)
Oklch
oklch(30.9% 0.045 195.1)

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

#4D3737

Crimson · DarkSlateGray · Wine Red

HEX
#4D3737
RGB
rgb(77, 55, 55)
HSL
hsl(0, 17%, 26%)
HSB
hsb(0, 29%, 30%)
CMYK
cmyk(0%, 29%, 29%, 70%)
Oklch
oklch(36.2% 0.032 18.7)

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

#8D3737

Crimson · Brown · Wine Red

HEX
#8D3737
RGB
rgb(141, 55, 55)
HSL
hsl(0, 44%, 38%)
HSB
hsb(0, 61%, 55%)
CMYK
cmyk(0%, 61%, 61%, 45%)
Oklch
oklch(45.7% 0.118 22.9)

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

#BD3737

Crimson · Brown · Passion Red

HEX
#BD3737
RGB
rgb(189, 55, 55)
HSL
hsl(0, 55%, 48%)
HSB
hsb(0, 71%, 74%)
CMYK
cmyk(0%, 71%, 71%, 26%)
Oklch
oklch(53.8% 0.171 25.0)

Traditional「Crimson」· Paint「Passion Red」· Creative Blush Sunrise

#FD3737

Vermilion · Tomato · Passion Red

HEX
#FD3737
RGB
rgb(253, 55, 55)
HSL
hsl(0, 98%, 60%)
HSB
hsb(0, 78%, 99%)
CMYK
cmyk(0%, 78%, 78%, 1%)
Oklch
oklch(64.8% 0.232 26.7)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

0D3737
360D0D

Analogous

0D3621
0D3737
0D2136

Triadic

0D3737
360D36
36360D

Split-Comp.

0D3737
360D21
36210D

Tetradic

0D3737
210D36
360D0D
21360D

Contrast Matrix WCAG 2.1 Contrast

0D3737
4D3737
8D3737
BD3737
FD3737
—
1.2
Fail
1.7
Fail
2.3
Fail
3.6
AA Large
1.2
Fail
—
1.4
Fail
2.0
Fail
3.0
AA Large
1.7
Fail
1.4
Fail
—
1.4
Fail
2.1
Fail
2.3
Fail
2.0
Fail
1.4
Fail
—
1.5
Fail
3.6
AA Large
3.0
AA Large
2.1
Fail
1.5
Fail
—
White BG
13.0AAA
11.0AAA
7.7AAA
5.6AA
3.6AA Large
Black BG
1.6Fail
1.9Fail
2.7Fail
3.8AA Large
5.8AA

Color Blindness Simulation Color Blindness Simulation

Protanopia

1F2037
434337
686737
838237
A7A537

Deuteranopia

1D1A37
454637
6D7337
8B9537
B3C237

Tritanopia

0F3737
4C3737
893737
B63737
F33737

Achromatopsia

2A2A2A
3E3E3E
515151
5F5F5F
727272

Shades & Tints Shades & Tints

#0D3737

Dark
Light

#4D3737

Dark
Light

#8D3737

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #0d3737;
  --color-2: #4d3737;
  --color-3: #8d3737;
  --color-4: #bd3737;
  --color-5: #fd3737;
}

SCSS

$color-1: #0d3737;
$color-2: #4d3737;
$color-3: #8d3737;
$color-4: #bd3737;
$color-5: #fd3737;

TAILWIND

colors: {
  'brand-1': '#0d3737',
  'brand-2': '#4d3737',
  'brand-3': '#8d3737',
  'brand-4': '#bd3737',
  'brand-5': '#fd3737',
}

RGB Array

[13, 55, 55], [77, 55, 55], [141, 55, 55], [189, 55, 55], [253, 55, 55]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #0D3737, #4D3737, #8D3737, #BD3737, #FD3737 is ideal for: tech websites, dark mode UIs, game UIs, 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: #0d3737; --color-2: #4d3737; --color-3: #8d3737; --color-4: #bd3737; --color-5: #fd3737. 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?

Dark tones work well as backgrounds; pair with light text for readability. Use the brightest color for CTA buttons and interactive elements. 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 general-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