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#E31B1C · #FA4D2B · #BD290C · #180B19 · #4D2051

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

PassionateDynamicWarm

Industry INDUSTRY

EntertainmentFMCG

UI Context UI CONTEXT

Sale PromoSocial AppData Visualization

Color Details Color Details

#E31B1C

Vermilion · Crimson · Passion Red

HEX
#E31B1C
RGB
rgb(227, 27, 28)
HSL
hsl(360, 79%, 50%)
HSB
hsb(360, 88%, 89%)
CMYK
cmyk(0%, 88%, 88%, 11%)
Oklch
oklch(58.4% 0.227 28.0)

TraditionalVermilion」· PaintPassion Red」· Creative Deep Ember

#FA4D2B

Vermilion · Tomato · Passion Red

HEX
#FA4D2B
RGB
rgb(250, 77, 43)
HSL
hsl(10, 95%, 57%)
HSB
hsb(10, 83%, 98%)
CMYK
cmyk(0%, 69%, 83%, 2%)
Oklch
oklch(66.1% 0.215 33.0)

TraditionalVermilion」· PaintPassion Red」· Creative Blush Sunrise

#BD290C

Vermilion · FireBrick · Wine Red

HEX
#BD290C
RGB
rgb(189, 41, 12)
HSL
hsl(10, 88%, 39%)
HSB
hsb(10, 94%, 74%)
CMYK
cmyk(0%, 78%, 94%, 26%)
Oklch
oklch(52.1% 0.188 32.4)

TraditionalVermilion」· PaintWine Red」· Creative Blush Sunrise

#180B19

Dark Plum · Black · Dark Purple

HEX
#180B19
RGB
rgb(24, 11, 25)
HSL
hsl(296, 39%, 7%)
HSB
hsb(296, 56%, 10%)
CMYK
cmyk(4%, 56%, 0%, 90%)
Oklch
oklch(17.6% 0.034 324.4)

TraditionalDark Plum」· PaintDark Purple」· Creative Blush Sunrise

#4D2051

Dark Plum · DarkSlateGray · Eggplant

HEX
#4D2051
RGB
rgb(77, 32, 81)
HSL
hsl(295, 43%, 22%)
HSB
hsb(295, 60%, 32%)
CMYK
cmyk(5%, 60%, 0%, 68%)
Oklch
oklch(33.0% 0.098 324.3)

TraditionalDark Plum」· PaintEggplant」· Creative Blush Sunrise

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

E31B1C
1BE4E4

Analogous

E41B80
E31B1C
E4801B

Triadic

E31B1C
1BE41B
1B1BE4

Split-Comp.

E31B1C
1BE480
1B80E4

Tetradic

E31B1C
80E41B
1BE4E4
801BE4

Contrast Matrix WCAG 2.1 Contrast

E31B1C
FA4D2B
BD290C
180B19
4D2051
1.4
Fail
1.3
Fail
4.0
AA Large
2.7
Fail
1.4
Fail
1.8
Fail
5.6
AA
3.8
AA Large
1.3
Fail
1.8
Fail
3.2
AA Large
2.1
Fail
4.0
AA Large
5.6
AA
3.2
AA Large
1.5
Fail
2.7
Fail
3.8
AA Large
2.1
Fail
1.5
Fail
White BG
4.7AA
3.4AA Large
6.0AA
19.1AAA
12.8AAA
Black BG
4.4AA Large
6.2AA
3.5AA Large
1.1Fail
1.6Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

8C8B1C
AFAE33
7D7C13
121216
3A3945

Deuteranopia

98A71C
B9C635
869115
131415
3C4042

Tritanopia

D91C1C
F13A3B
B6191A
171312
4B3C3A

Achromatopsia

575757
7D7D7D
525252
101010
333333

Shades & Tints Shades & Tints

#E31B1C

Dark
Light

#FA4D2B

Dark
Light

#BD290C

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #e31b1c;
  --color-2: #fa4d2b;
  --color-3: #bd290c;
  --color-4: #180b19;
  --color-5: #4d2051;
}

SCSS

$color-1: #e31b1c;
$color-2: #fa4d2b;
$color-3: #bd290c;
$color-4: #180b19;
$color-5: #4d2051;

TAILWIND

colors: {
  'brand-1': '#e31b1c',
  'brand-2': '#fa4d2b',
  'brand-3': '#bd290c',
  'brand-4': '#180b19',
  'brand-5': '#4d2051',
}

RGB Array

[227, 27, 28], [250, 77, 43], [189, 41, 12], [24, 11, 25], [77, 32, 81]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #E31B1C, #FA4D2B, #BD290C, #180B19, #4D2051 is ideal for: social media posters, mobile apps, e-commerce promos, tech websites, dark mode UIs, game UIs, infographics, data visualization, accessible design. Vivid colors effectively attract user attention. High contrast ensures clear visual hierarchy and readability. It is a vibrant and energetic choice among 5-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #e31b1c; --color-2: #fa4d2b; --color-3: #bd290c; --color-4: #180b19; --color-5: #4d2051. 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 food & dining, entertainment, kids education, social industries. Bold colors convey vitality and innovation. 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