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#223333 · #334444 · #555566 · #667777 · #999999

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

ProfoundPremiumWarmCool

Industry INDUSTRY

FinanceLuxury

UI Context UI CONTEXT

Dark ThemeCorporateData Visualization

Color Details Color Details

#223333

Slate Blue · DarkSlateGray · Peacock Green

HEX
#223333
RGB
rgb(34, 51, 51)
HSL
hsl(180, 20%, 17%)
HSB
hsb(180, 33%, 20%)
CMYK
cmyk(33%, 0%, 0%, 80%)
Oklch
oklch(30.6% 0.022 196.0)

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

#334444

Slate Blue · DarkSlateGray · Peacock Green

HEX
#334444
RGB
rgb(51, 68, 68)
HSL
hsl(180, 14%, 23%)
HSB
hsb(180, 25%, 27%)
CMYK
cmyk(25%, 0%, 0%, 73%)
Oklch
oklch(37.2% 0.022 196.3)

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

#555566

Deep Indigo · DimGray · Charcoal

HEX
#555566
RGB
rgb(85, 85, 102)
HSL
hsl(240, 9%, 37%)
HSB
hsb(240, 17%, 40%)
CMYK
cmyk(17%, 17%, 0%, 60%)
Oklch
oklch(45.6% 0.027 285.3)

Traditional「Deep Indigo」· Paint「Charcoal」· Creative Midnight Shadow

#667777

Slate Blue · DimGray · Warm Gray

HEX
#667777
RGB
rgb(102, 119, 119)
HSL
hsl(180, 8%, 43%)
HSB
hsb(180, 14%, 47%)
CMYK
cmyk(14%, 0%, 0%, 53%)
Oklch
oklch(55.5% 0.020 196.6)

Traditional「Slate Blue」· Paint「Warm Gray」· Creative Urban Concrete

#999999

Ash · DarkGray · Silver Sand

HEX
#999999
RGB
rgb(153, 153, 153)
HSL
hsl(0, 0%, 60%)
HSB
hsb(0, 0%, 60%)
CMYK
cmyk(0%, 0%, 0%, 40%)
Oklch
oklch(68.3% 0.000 89.9)

Traditional「Ash」· Paint「Silver Sand」· Creative Urban Concrete

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

223333
342323

Analogous

23342B
223333
232B34

Triadic

223333
342334
343423

Split-Comp.

223333
34232B
342B23

Tetradic

223333
2B2334
342323
2B3423

Contrast Matrix WCAG 2.1 Contrast

223333
334444
555566
667777
999999
—
1.3
Fail
1.8
Fail
2.8
Fail
4.6
AA
1.3
Fail
—
1.4
Fail
2.2
Fail
3.6
AA Large
1.8
Fail
1.4
Fail
—
1.6
Fail
2.6
Fail
2.8
Fail
2.2
Fail
1.6
Fail
—
1.6
Fail
4.6
AA
3.6
AA Large
2.6
Fail
1.6
Fail
—
White BG
13.2AAA
10.2AAA
7.3AAA
4.7AA
2.8Fail
Black BG
1.6Fail
2.1Fail
2.9Fail
4.5AA Large
7.4AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

292A33
3A3B44
555562
6D6E77
999999

Deuteranopia

282733
393844
555561
6C6B77
999999

Tritanopia

233333
344444
555F5E
677777
999999

Achromatopsia

2E2E2E
3F3F3F
575757
727272
999999

Shades & Tints Shades & Tints

#223333

Dark
Light

#334444

Dark
Light

#555566

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #223333;
  --color-2: #334444;
  --color-3: #555566;
  --color-4: #667777;
  --color-5: #999999;
}

SCSS

$color-1: #223333;
$color-2: #334444;
$color-3: #555566;
$color-4: #667777;
$color-5: #999999;

TAILWIND

colors: {
  'brand-1': '#223333',
  'brand-2': '#334444',
  'brand-3': '#555566',
  'brand-4': '#667777',
  'brand-5': '#999999',
}

RGB Array

[34, 51, 51], [51, 68, 68], [85, 85, 102], [102, 119, 119], [153, 153, 153]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #223333, #334444, #555566, #667777, #999999 is ideal for: brand design, premium product pages, magazine layouts, tech websites, dark mode UIs, game UIs, infographics, data visualization, accessible design. Low-saturation colors convey a sophisticated, premium feel. High contrast ensures clear visual hierarchy and readability. It is a classic and elegant choice among 5-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #223333; --color-2: #334444; --color-3: #555566; --color-4: #667777; --color-5: #999999. 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 finance, legal, luxury industries. Restrained colors convey professionalism and trust. 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