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#730A0A · #131C33 · #E1E7F5 · #2F374A · #0B101C

A 5-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 LibraryData Visualization

Color Details Color Details

#730A0A

Vermilion · Maroon · Wine Red

HEX
#730A0A
RGB
rgb(115, 10, 10)
HSL
hsl(0, 84%, 25%)
HSB
hsb(0, 91%, 45%)
CMYK
cmyk(0%, 91%, 91%, 55%)
Oklch
oklch(35.5% 0.137 27.9)

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

#131C33

Indigo · Black · Deep Sea Blue

HEX
#131C33
RGB
rgb(19, 28, 51)
HSL
hsl(223, 46%, 14%)
HSB
hsb(223, 63%, 20%)
CMYK
cmyk(63%, 45%, 0%, 80%)
Oklch
oklch(23.1% 0.047 266.6)

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

#E1E7F5

Azure · Lavender · Sky Blue

HEX
#E1E7F5
RGB
rgb(225, 231, 245)
HSL
hsl(222, 50%, 92%)
HSB
hsb(222, 8%, 96%)
CMYK
cmyk(8%, 6%, 0%, 4%)
Oklch
oklch(92.8% 0.020 267.3)

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

#2F374A

Indigo · DarkSlateGray · Prussian Blue

HEX
#2F374A
RGB
rgb(47, 55, 74)
HSL
hsl(222, 22%, 24%)
HSB
hsb(222, 36%, 29%)
CMYK
cmyk(36%, 26%, 0%, 71%)
Oklch
oklch(33.8% 0.035 266.8)

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

#0B101C

Indigo · Black · Deep Sea Blue

HEX
#0B101C
RGB
rgb(11, 16, 28)
HSL
hsl(222, 44%, 8%)
HSB
hsb(222, 61%, 11%)
CMYK
cmyk(61%, 43%, 0%, 89%)
Oklch
oklch(17.4% 0.026 266.4)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

730A0A
0A7575

Analogous

750A40
730A0A
75400A

Triadic

730A0A
0A750A
0A0A75

Split-Comp.

730A0A
0A7540
0A4075

Tetradic

730A0A
40750A
0A7575
400A75

Contrast Matrix WCAG 2.1 Contrast

730A0A
131C33
E1E7F5
2F374A
0B101C
—
1.4
Fail
9.5
AAA
1.0
Fail
1.6
Fail
1.4
Fail
—
13.7
AAA
1.4
Fail
1.1
Fail
9.5
AAA
13.7
AAA
—
9.6
AAA
15.3
AAA
1.0
Fail
1.4
Fail
9.6
AAA
—
1.6
Fail
1.6
Fail
1.1
Fail
15.3
AAA
1.6
Fail
—
White BG
11.8AAA
16.9AAA
1.2Fail
11.9AAA
19.0AAA
Black BG
1.8Fail
1.2Fail
17.0AAA
1.8Fail
1.1Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

46450A
17172D
E4E4F2
323345
0D0D19

Deuteranopia

4C540A
16162C
E3E3F1
323144
0D0D18

Tritanopia

6E0A0A
132928
E1EFEE
2F4241
0B1716

Achromatopsia

292929
1C1C1C
E7E7E7
373737
101010

Shades & Tints Shades & Tints

#730A0A

Dark
Light

#131C33

Dark
Light

#E1E7F5

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #730a0a;
  --color-2: #131c33;
  --color-3: #e1e7f5;
  --color-4: #2f374a;
  --color-5: #0b101c;
}

SCSS

$color-1: #730a0a;
$color-2: #131c33;
$color-3: #e1e7f5;
$color-4: #2f374a;
$color-5: #0b101c;

TAILWIND

colors: {
  'brand-1': '#730a0a',
  'brand-2': '#131c33',
  'brand-3': '#e1e7f5',
  'brand-4': '#2f374a',
  'brand-5': '#0b101c',
}

RGB Array

[115, 10, 10], [19, 28, 51], [225, 231, 245], [47, 55, 74], [11, 16, 28]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #730A0A, #131C33, #E1E7F5, #2F374A, #0B101C 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: #730a0a; --color-2: #131c33; --color-3: #e1e7f5; --color-4: #2f374a; --color-5: #0b101c. 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