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#03090E · #243241 · #2E4C6C · #407491 · #87A2B1

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

HarmoniousVersatileCool

Industry INDUSTRY

E-commerceBusiness

UI Context UI CONTEXT

Web PageComponent LibraryData Visualization

Color Details Color Details

#03090E

Lake Blue · Black · Deep Sea Blue

HEX
#03090E
RGB
rgb(3, 9, 14)
HSL
hsl(207, 65%, 3%)
HSB
hsb(207, 79%, 5%)
CMYK
cmyk(79%, 36%, 0%, 95%)
Oklch
oklch(13.4% 0.017 236.1)

Traditional「Lake Blue」· Paint「Deep Sea Blue」· Creative Blush Sunrise

#243241

Indigo · DarkSlateGray · Deep Sea Blue

HEX
#243241
RGB
rgb(36, 50, 65)
HSL
hsl(211, 29%, 20%)
HSB
hsb(211, 45%, 25%)
CMYK
cmyk(45%, 23%, 0%, 75%)
Oklch
oklch(31.1% 0.033 250.6)

Traditional「Indigo」· Paint「Deep Sea Blue」· Creative Blush Sunrise

#2E4C6C

Indigo · DarkSlateGray · Prussian Blue

HEX
#2E4C6C
RGB
rgb(46, 76, 108)
HSL
hsl(211, 40%, 30%)
HSB
hsb(211, 57%, 42%)
CMYK
cmyk(57%, 30%, 0%, 58%)
Oklch
oklch(40.8% 0.065 251.1)

Traditional「Indigo」· Paint「Prussian Blue」· Creative Blush Sunrise

#407491

Slate Blue · SteelBlue · Navy Blue

HEX
#407491
RGB
rgb(64, 116, 145)
HSL
hsl(201, 39%, 41%)
HSB
hsb(201, 56%, 57%)
CMYK
cmyk(56%, 20%, 0%, 43%)
Oklch
oklch(53.5% 0.072 234.7)

Traditional「Slate Blue」· Paint「Navy Blue」· Creative Blush Sunrise

#87A2B1

Sky Blue · DarkGray · Cobalt Blue

HEX
#87A2B1
RGB
rgb(135, 162, 177)
HSL
hsl(201, 21%, 61%)
HSB
hsb(201, 24%, 69%)
CMYK
cmyk(24%, 8%, 0%, 31%)
Oklch
oklch(69.7% 0.037 232.3)

Traditional「Sky Blue」· Paint「Cobalt Blue」· Creative Twilight Haze

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

03090E
0D0703

Analogous

030D0C
03090E
03030D

Triadic

03090E
0D0308
080D03

Split-Comp.

03090E
0D0303
0D0C03

Tetradic

03090E
0C030D
0D0703
030D03

Contrast Matrix WCAG 2.1 Contrast

03090E
243241
2E4C6C
407491
87A2B1
—
1.5
Fail
2.3
Fail
3.9
AA Large
7.5
AAA
1.5
Fail
—
1.5
Fail
2.6
Fail
4.9
AA
2.3
Fail
1.5
Fail
—
1.7
Fail
3.3
AA Large
3.9
AA Large
2.6
Fail
1.7
Fail
—
1.9
Fail
7.5
AAA
4.9
AA
3.3
AA Large
1.9
Fail
—
White BG
20.0AAA
13.1AAA
8.9AAA
5.1AA
2.7Fail
Black BG
1.0Fail
1.6Fail
2.4Fail
4.1AA Large
7.8AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

06060D
2A2A3D
3B3B64
57578A
9393AD

Deuteranopia

05050C
29283D
393762
545088
918FAD

Tritanopia

030C0C
253B3A
2F5E5D
438483
88ABAA

Achromatopsia

080808
303030
474747
686868
9C9C9C

Shades & Tints Shades & Tints

#03090E

Dark
Light

#243241

Dark
Light

#2E4C6C

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #03090e;
  --color-2: #243241;
  --color-3: #2e4c6c;
  --color-4: #407491;
  --color-5: #87a2b1;
}

SCSS

$color-1: #03090e;
$color-2: #243241;
$color-3: #2e4c6c;
$color-4: #407491;
$color-5: #87a2b1;

TAILWIND

colors: {
  'brand-1': '#03090e',
  'brand-2': '#243241',
  'brand-3': '#2e4c6c',
  'brand-4': '#407491',
  'brand-5': '#87a2b1',
}

RGB Array

[3, 9, 14], [36, 50, 65], [46, 76, 108], [64, 116, 145], [135, 162, 177]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #03090E, #243241, #2E4C6C, #407491, #87A2B1 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: #03090e; --color-2: #243241; --color-3: #2e4c6c; --color-4: #407491; --color-5: #87a2b1. 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