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#4B4B4B · #D8180B · #C40E0D · #A30A00 · #181818

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

HarmoniousVersatileWarm

Industry INDUSTRY

E-commerceBusiness

UI Context UI CONTEXT

Web PageComponent Library

Color Details Color Details

#4B4B4B

Dark Cyan · DarkSlateGray · Charcoal

HEX
#4B4B4B
RGB
rgb(75, 75, 75)
HSL
hsl(0, 0%, 29%)
HSB
hsb(0, 0%, 29%)
CMYK
cmyk(0%, 0%, 0%, 71%)
Oklch
oklch(41.3% 0.000 89.9)

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

#D8180B

Vermilion · FireBrick · Passion Red

HEX
#D8180B
RGB
rgb(216, 24, 11)
HSL
hsl(4, 90%, 45%)
HSB
hsb(4, 95%, 85%)
CMYK
cmyk(0%, 89%, 95%, 15%)
Oklch
oklch(56.1% 0.221 29.7)

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

#C40E0D

Vermilion · FireBrick · Passion Red

HEX
#C40E0D
RGB
rgb(196, 14, 13)
HSL
hsl(0, 88%, 41%)
HSB
hsb(0, 93%, 77%)
CMYK
cmyk(0%, 93%, 93%, 23%)
Oklch
oklch(51.9% 0.207 28.7)

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

#A30A00

Vermilion · DarkRed · Wine Red

HEX
#A30A00
RGB
rgb(163, 10, 0)
HSL
hsl(4, 100%, 32%)
HSB
hsb(4, 100%, 64%)
CMYK
cmyk(0%, 94%, 100%, 36%)
Oklch
oklch(45.3% 0.181 30.1)

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

#181818

Ink Black · Black · Jet Black

HEX
#181818
RGB
rgb(24, 24, 24)
HSL
hsl(0, 0%, 9%)
HSB
hsb(0, 0%, 9%)
CMYK
cmyk(0%, 0%, 0%, 91%)
Oklch
oklch(20.9% 0.000 89.9)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

4B4B4B
4A4A4A

Analogous

4A4A4A
4B4B4B
4A4A4A

Triadic

4B4B4B
4A4A4A
4A4A4A

Split-Comp.

4B4B4B
4A4A4A
4A4A4A

Tetradic

4B4B4B
4A4A4A
4A4A4A
4A4A4A

Contrast Matrix WCAG 2.1 Contrast

4B4B4B
D8180B
C40E0D
A30A00
181818
—
1.7
Fail
1.4
Fail
1.1
Fail
2.0
Fail
1.7
Fail
—
1.2
Fail
1.6
Fail
3.4
AA Large
1.4
Fail
1.2
Fail
—
1.3
Fail
2.9
Fail
1.1
Fail
1.6
Fail
1.3
Fail
—
2.2
Fail
2.0
Fail
3.4
AA Large
2.9
Fail
2.2
Fail
—
White BG
8.7AAA
5.2AA
6.1AA
8.1AAA
17.8AAA
Black BG
2.4Fail
4.1AA Large
3.4AA Large
2.6Fail
1.2Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

4B4B4B
85830E
75740D
615F02
181818

Deuteranopia

4B4B4B
909E0F
808D0D
6A7503
181818

Tritanopia

4B4B4B
CE1111
BB0D0D
9B0405
181818

Achromatopsia

4B4B4B
505050
444444
373737
181818

Shades & Tints Shades & Tints

#4B4B4B

Dark
Light

#D8180B

Dark
Light

#C40E0D

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #4b4b4b;
  --color-2: #d8180b;
  --color-3: #c40e0d;
  --color-4: #a30a00;
  --color-5: #181818;
}

SCSS

$color-1: #4b4b4b;
$color-2: #d8180b;
$color-3: #c40e0d;
$color-4: #a30a00;
$color-5: #181818;

TAILWIND

colors: {
  'brand-1': '#4b4b4b',
  'brand-2': '#d8180b',
  'brand-3': '#c40e0d',
  'brand-4': '#a30a00',
  'brand-5': '#181818',
}

RGB Array

[75, 75, 75], [216, 24, 11], [196, 14, 13], [163, 10, 0], [24, 24, 24]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #4B4B4B, #D8180B, #C40E0D, #A30A00, #181818 is ideal for: tech websites, dark mode UIs, game UIs. 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: #4b4b4b; --color-2: #d8180b; --color-3: #c40e0d; --color-4: #a30a00; --color-5: #181818. 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. 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