← Back to Editor

#333333 · #4D4D4D · #00A0C6 · #CC0000

A 4-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 Library

Color Details Color Details

#333333

Dark Cyan · DarkSlateGray · Dark Stone

HEX
#333333
RGB
rgb(51, 51, 51)
HSL
hsl(0, 0%, 20%)
HSB
hsb(0, 0%, 20%)
CMYK
cmyk(0%, 0%, 0%, 80%)
Oklch
oklch(32.1% 0.000 89.9)

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

#4D4D4D

Dark Cyan · DarkSlateGray · Charcoal

HEX
#4D4D4D
RGB
rgb(77, 77, 77)
HSL
hsl(0, 0%, 30%)
HSB
hsb(0, 0%, 30%)
CMYK
cmyk(0%, 0%, 0%, 70%)
Oklch
oklch(42.0% 0.000 89.9)

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

#00A0C6

Lake Blue · LightSeaGreen · Mint Ice

HEX
#00A0C6
RGB
rgb(0, 160, 198)
HSL
hsl(192, 100%, 39%)
HSB
hsb(192, 100%, 78%)
CMYK
cmyk(100%, 19%, 0%, 22%)
Oklch
oklch(65.5% 0.122 222.6)

Traditional「Lake Blue」· Paint「Mint Ice」· Creative Blush Sunrise

#CC0000

Vermilion · Red · Wine Red

HEX
#CC0000
RGB
rgb(204, 0, 0)
HSL
hsl(0, 100%, 40%)
HSB
hsb(0, 100%, 80%)
CMYK
cmyk(0%, 100%, 100%, 20%)
Oklch
oklch(53.1% 0.218 29.2)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

333333
333333

Analogous

333333
333333
333333

Triadic

333333
333333
333333

Split-Comp.

333333
333333
333333

Tetradic

333333
333333
333333
333333

Contrast Matrix WCAG 2.1 Contrast

333333
4D4D4D
00A0C6
CC0000
—
1.5
Fail
4.1
AA Large
2.1
Fail
1.5
Fail
—
2.8
Fail
1.4
Fail
4.1
AA Large
2.8
Fail
—
1.9
Fail
2.1
Fail
1.4
Fail
1.9
Fail
—
White BG
12.6AAA
8.5AAA
3.1AA Large
5.9AA
Black BG
1.7Fail
2.5Fail
6.8AA
3.6AA Large

Color Blindness Simulation Color Blindness Simulation

Protanopia

333333
4D4D4D
4547BD
747200

Deuteranopia

333333
4D4D4D
3C30BB
808F00

Tritanopia

333333
4D4D4D
08B6B4
C20000

Achromatopsia

333333
4D4D4D
747474
3D3D3D

Shades & Tints Shades & Tints

#333333

Dark
Light

#4D4D4D

Dark
Light

#00A0C6

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #333333;
  --color-2: #4d4d4d;
  --color-3: #00a0c6;
  --color-4: #cc0000;
}

SCSS

$color-1: #333333;
$color-2: #4d4d4d;
$color-3: #00a0c6;
$color-4: #cc0000;

TAILWIND

colors: {
  'brand-1': '#333333',
  'brand-2': '#4d4d4d',
  'brand-3': '#00a0c6',
  'brand-4': '#cc0000',
}

RGB Array

[51, 51, 51], [77, 77, 77], [0, 160, 198], [204, 0, 0]

FAQ FAQ

What scenarios is this 4-color palette suitable for?

This general-style palette of #333333, #4D4D4D, #00A0C6, #CC0000 is ideal for: tech websites, dark mode UIs, game UIs. It is a balanced and harmonious choice among 4-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #333333; --color-2: #4d4d4d; --color-3: #00a0c6; --color-4: #cc0000. 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 4-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