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#33B5E5 · #2D9FC9 · #4C4C4C · #3C3C3D · #303030

cool

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

ProfoundPremiumWarmCool

Industry INDUSTRY

FinanceLuxury

UI Context UI CONTEXT

Dark ThemeCorporate

Color Details Color Details

#33B5E5

Lake Blue · MediumTurquoise · Lake Green

HEX
#33B5E5
RGB
rgb(51, 181, 229)
HSL
hsl(196, 77%, 55%)
HSB
hsb(196, 78%, 90%)
CMYK
cmyk(78%, 21%, 0%, 10%)
Oklch
oklch(72.5% 0.128 228.1)

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

#2D9FC9

Lake Blue · LightSeaGreen · Mint Ice

HEX
#2D9FC9
RGB
rgb(45, 159, 201)
HSL
hsl(196, 63%, 48%)
HSB
hsb(196, 78%, 79%)
CMYK
cmyk(78%, 21%, 0%, 21%)
Oklch
oklch(65.9% 0.115 227.9)

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

#4C4C4C

Dark Cyan · DarkSlateGray · Charcoal

HEX
#4C4C4C
RGB
rgb(76, 76, 76)
HSL
hsl(0, 0%, 30%)
HSB
hsb(0, 0%, 30%)
CMYK
cmyk(0%, 0%, 0%, 70%)
Oklch
oklch(41.7% 0.000 89.9)

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

#3C3C3D

Dark Cyan · DarkSlateGray · Dark Stone

HEX
#3C3C3D
RGB
rgb(60, 60, 61)
HSL
hsl(240, 1%, 24%)
HSB
hsb(240, 2%, 24%)
CMYK
cmyk(2%, 2%, 0%, 76%)
Oklch
oklch(35.7% 0.002 286.3)

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

#303030

Dark Cyan · DarkSlateGray · Dark Stone

HEX
#303030
RGB
rgb(48, 48, 48)
HSL
hsl(0, 0%, 19%)
HSB
hsb(0, 0%, 19%)
CMYK
cmyk(0%, 0%, 0%, 81%)
Oklch
oklch(30.9% 0.000 89.9)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

33B5E5
E56334

Analogous

34E5BB
33B5E5
345DE5

Triadic

33B5E5
E534B5
B5E534

Split-Comp.

33B5E5
E5345D
E5BB34

Tetradic

33B5E5
BB34E5
E56334
5DE534

Contrast Matrix WCAG 2.1 Contrast

33B5E5
2D9FC9
4C4C4C
3C3C3D
303030
—
1.3
Fail
3.6
AA Large
4.7
AA
5.6
AA
1.3
Fail
—
2.8
Fail
3.6
AA Large
4.3
AA Large
3.6
AA Large
2.8
Fail
—
1.3
Fail
1.5
Fail
4.7
AA
3.6
AA Large
1.3
Fail
—
1.2
Fail
5.6
AA
4.3
AA Large
1.5
Fail
1.2
Fail
—
White BG
2.4Fail
3.0AA Large
8.6AAA
11.0AAA
13.2AAA
Black BG
8.9AAA
6.9AA
2.4Fail
1.9Fail
1.6Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

6B6CD9
5E5FBF
4C4C4C
3C3C3D
303030

Deuteranopia

645AD7
584FBC
4C4C4C
3C3C3D
303030

Tritanopia

3AD0CE
33B7B5
4C4C4C
3C3D3D
303030

Achromatopsia

949494
828282
4C4C4C
3C3C3C
303030

Shades & Tints Shades & Tints

#33B5E5

Dark
Light

#2D9FC9

Dark
Light

#4C4C4C

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #33b5e5;
  --color-2: #2d9fc9;
  --color-3: #4c4c4c;
  --color-4: #3c3c3d;
  --color-5: #303030;
}

SCSS

$color-1: #33b5e5;
$color-2: #2d9fc9;
$color-3: #4c4c4c;
$color-4: #3c3c3d;
$color-5: #303030;

TAILWIND

colors: {
  'brand-1': '#33b5e5',
  'brand-2': '#2d9fc9',
  'brand-3': '#4c4c4c',
  'brand-4': '#3c3c3d',
  'brand-5': '#303030',
}

RGB Array

[51, 181, 229], [45, 159, 201], [76, 76, 76], [60, 60, 61], [48, 48, 48]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #33B5E5, #2D9FC9, #4C4C4C, #3C3C3D, #303030 is ideal for: brand design, premium product pages, magazine layouts, tech websites, dark mode UIs, game UIs. Low-saturation colors convey a sophisticated, premium feel. 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: #33b5e5; --color-2: #2d9fc9; --color-3: #4c4c4c; --color-4: #3c3c3d; --color-5: #303030. 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 cool-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