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#42433F · #231B30 · #000000 · #FC4000 · #145857

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

#42433F

Dark Cyan · DarkSlateGray · Dark Stone

HEX
#42433F
RGB
rgb(66, 67, 63)
HSL
hsl(75, 3%, 25%)
HSB
hsb(75, 6%, 26%)
CMYK
cmyk(1%, 0%, 6%, 74%)
Oklch
oklch(38.1% 0.007 118.1)

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

#231B30

Deep Indigo · DarkSlateGray · Dark Purple

HEX
#231B30
RGB
rgb(35, 27, 48)
HSL
hsl(263, 28%, 15%)
HSB
hsb(263, 44%, 19%)
CMYK
cmyk(27%, 44%, 0%, 81%)
Oklch
oklch(24.2% 0.041 300.9)

Traditional「Deep Indigo」· Paint「Dark Purple」· Creative Blush Sunrise

#000000

Ink Black · Black · Jet Black

HEX
#000000
RGB
rgb(0, 0, 0)
HSL
hsl(0, 0%, 0%)
HSB
hsb(0, 0%, 0%)
CMYK
cmyk(0%, 0%, 0%, 100%)
Oklch
oklch(0.0% 0.000 0.0)

Traditional「Ink Black」· Paint「Jet Black」· Creative Midnight Shadow

#FC4000

Tangerine · OrangeRed · Amber Brown

HEX
#FC4000
RGB
rgb(252, 64, 0)
HSL
hsl(15, 100%, 49%)
HSB
hsb(15, 100%, 99%)
CMYK
cmyk(0%, 75%, 100%, 1%)
Oklch
oklch(65.1% 0.230 34.7)

Traditional「Tangerine」· Paint「Amber Brown」· Creative Blush Sunrise

#145857

Mineral Blue · DarkSlateGray · Peacock Green

HEX
#145857
RGB
rgb(20, 88, 87)
HSL
hsl(179, 63%, 21%)
HSB
hsb(179, 77%, 35%)
CMYK
cmyk(77%, 0%, 1%, 65%)
Oklch
oklch(42.0% 0.065 193.5)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

42433F
3F3E42

Analogous

42413E
42433F
3F423E

Triadic

42433F
3E4142
423E41

Split-Comp.

42433F
3E3F42
413E42

Tetradic

42433F
3E4241
3F3E42
423E3F

Contrast Matrix WCAG 2.1 Contrast

42433F
231B30
000000
FC4000
145857
—
1.7
Fail
2.1
Fail
2.8
Fail
1.2
Fail
1.7
Fail
—
1.3
Fail
4.6
AA
2.0
Fail
2.1
Fail
1.3
Fail
—
5.9
AA
2.6
Fail
2.8
Fail
4.6
AA
5.9
AA
—
2.3
Fail
1.2
Fail
2.0
Fail
2.6
Fail
2.3
Fail
—
White BG
10.0AAA
16.5AAA
21.0AAA
3.6AA Large
8.2AAA
Black BG
2.1Fail
1.3Fail
1.0Fail
5.9AA
2.6Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

424240
201F2B
000000
ABA90F
313257

Deuteranopia

424240
20212A
000000
B6C413
2E2857

Tritanopia

424141
232726
000000
F31C1E
175757

Achromatopsia

424242
202020
000000
717171
444444

Shades & Tints Shades & Tints

#42433F

Dark
Light

#231B30

Dark
Light

#000000

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #42433f;
  --color-2: #231b30;
  --color-3: #000000;
  --color-4: #fc4000;
  --color-5: #145857;
}

SCSS

$color-1: #42433f;
$color-2: #231b30;
$color-3: #000000;
$color-4: #fc4000;
$color-5: #145857;

TAILWIND

colors: {
  'brand-1': '#42433f',
  'brand-2': '#231b30',
  'brand-3': '#000000',
  'brand-4': '#fc4000',
  'brand-5': '#145857',
}

RGB Array

[66, 67, 63], [35, 27, 48], [0, 0, 0], [252, 64, 0], [20, 88, 87]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #42433F, #231B30, #000000, #FC4000, #145857 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: #42433f; --color-2: #231b30; --color-3: #000000; --color-4: #fc4000; --color-5: #145857. 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