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#EF5931 · #CB2426 · #63282D · #252235 · #1A102A

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

#EF5931

Vermilion · Tomato · Passion Red

HEX
#EF5931
RGB
rgb(239, 89, 49)
HSL
hsl(13, 86%, 56%)
HSB
hsb(13, 79%, 94%)
CMYK
cmyk(0%, 63%, 79%, 6%)
Oklch
oklch(65.7% 0.193 35.6)

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

#CB2426

Vermilion · FireBrick · Passion Red

HEX
#CB2426
RGB
rgb(203, 36, 38)
HSL
hsl(359, 70%, 47%)
HSB
hsb(359, 82%, 80%)
CMYK
cmyk(0%, 82%, 81%, 20%)
Oklch
oklch(54.5% 0.201 26.7)

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

#63282D

Crimson · Brown · Wine Red

HEX
#63282D
RGB
rgb(99, 40, 45)
HSL
hsl(355, 42%, 27%)
HSB
hsb(355, 60%, 39%)
CMYK
cmyk(0%, 60%, 55%, 61%)
Oklch
oklch(36.2% 0.086 17.2)

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

#252235

Deep Indigo · DarkSlateGray · Deep Sea Blue

HEX
#252235
RGB
rgb(37, 34, 53)
HSL
hsl(249, 22%, 17%)
HSB
hsb(249, 36%, 21%)
CMYK
cmyk(30%, 36%, 0%, 79%)
Oklch
oklch(26.4% 0.035 291.0)

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

#1A102A

Deep Indigo · Black · Dark Purple

HEX
#1A102A
RGB
rgb(26, 16, 42)
HSL
hsl(263, 45%, 11%)
HSB
hsb(263, 62%, 16%)
CMYK
cmyk(38%, 62%, 0%, 84%)
Oklch
oklch(20.1% 0.051 299.5)

Traditional「Deep Indigo」· Paint「Dark Purple」· Creative Blush Sunrise

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

EF5931
2EC5EF

Analogous

EF2E65
EF5931
EFB92E

Triadic

EF5931
2EEF58
582EEF

Split-Comp.

EF5931
2EEFB9
2E65EF

Tetradic

EF5931
65EF2E
2EC5EF
B92EEF

Contrast Matrix WCAG 2.1 Contrast

EF5931
CB2426
63282D
252235
1A102A
—
1.6
Fail
3.3
AA Large
4.5
AA
5.3
AA
1.6
Fail
—
2.0
Fail
2.8
Fail
3.3
AA Large
3.3
AA Large
2.0
Fail
—
1.4
Fail
1.6
Fail
4.5
AA
2.8
Fail
1.4
Fail
—
1.2
Fail
5.3
AA
3.3
AA Large
1.6
Fail
1.2
Fail
—
White BG
3.4AA Large
5.5AA
11.2AAA
15.5AAA
18.2AAA
Black BG
6.1AA
3.8AA Large
1.9Fail
1.4Fail
1.2Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

AEAD3B
838126
49492C
242430
161624

Deuteranopia

B7C23D
8C9925
4D512C
24242F
161722

Tritanopia

E74244
C32525
602B2B
252D2C
1A1F1E

Achromatopsia

818181
565656
3A3A3A
252525
161616

Shades & Tints Shades & Tints

#EF5931

Dark
Light

#CB2426

Dark
Light

#63282D

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #ef5931;
  --color-2: #cb2426;
  --color-3: #63282d;
  --color-4: #252235;
  --color-5: #1a102a;
}

SCSS

$color-1: #ef5931;
$color-2: #cb2426;
$color-3: #63282d;
$color-4: #252235;
$color-5: #1a102a;

TAILWIND

colors: {
  'brand-1': '#ef5931',
  'brand-2': '#cb2426',
  'brand-3': '#63282d',
  'brand-4': '#252235',
  'brand-5': '#1a102a',
}

RGB Array

[239, 89, 49], [203, 36, 38], [99, 40, 45], [37, 34, 53], [26, 16, 42]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #EF5931, #CB2426, #63282D, #252235, #1A102A 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: #ef5931; --color-2: #cb2426; --color-3: #63282d; --color-4: #252235; --color-5: #1a102a. 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