#90291C

#90291C

Color Values

HEX

#90291C

RGB

144, 41, 28

HSL

6.7, 67.4%, 33.7%

HSV

6.7, 80.6%, 56.5%

CMYK

0.0%, 71.5%, 80.6%, 43.5%

OKLCH

0.4399 0.1405 30.6

Properties

Warm Dark Nearest: firebrick 4

Color Harmonies

Complementary

#90291C

#1C8390

Analogous

#901C49

#90631C

#90291C

Triadic

#90291C

#1C9029

#291C90

Split Complementary

#90291C

#1C9063

#1C4990

Tetradic

#90291C

#49901C

#1C8390

#631C90

Color Blindness Simulation

Original

#90291C

Protanopia

#63631F

Deuteranopia

#697120

Tritanopia

#8B2222

Achromatopsia

#3E3E3E

CSS Usage

background-color: #90291C;
color: #90291C;
border-color: #90291C;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FCF4F3
100
#F7E5E3
200
#F3C9C3
300
#EBA299
400
#E06F61
500
#D53D2A
600
#AB3121
700
#89271B
800
#6B1E15
900
#4E1A13
950
#31100C

Contrast Checker

Text on white

8.33:1

AA Pass AAA Pass

Text on black

2.52:1

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