#90271C

#90271C

Color Values

HEX

#90271C

RGB

144, 39, 28

HSL

5.7, 67.4%, 33.7%

HSV

5.7, 80.6%, 56.5%

CMYK

0.0%, 72.9%, 80.6%, 43.5%

OKLCH

0.4377 0.1424 29.8

Properties

Warm Dark Nearest: firebrick 4

Color Harmonies

Complementary

#90271C

#1C8590

Analogous

#901C4B

#90611C

#90271C

Triadic

#90271C

#1C9027

#271C90

Split Complementary

#90271C

#1C9061

#1C4B90

Tetradic

#90271C

#4B901C

#1C8590

#611C90

Color Blindness Simulation

Original

#90271C

Protanopia

#63621F

Deuteranopia

#69701F

Tritanopia

#8B2121

Achromatopsia

#3D3D3D

CSS Usage

background-color: #90271C;
color: #90271C;
border-color: #90271C;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FCF4F3
100
#F7E5E3
200
#F3C8C3
300
#EBA099
400
#E06D61
500
#D53A2A
600
#AB2E21
700
#89251B
800
#6B1D15
900
#4E1913
950
#31100C

Contrast Checker

Text on white

8.42:1

AA Pass AAA Pass

Text on black

2.49:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026