#831819

#831819

Color Values

HEX

#831819

RGB

131, 24, 25

HSL

359.4, 69.0%, 30.4%

HSV

359.4, 81.7%, 51.4%

CMYK

0.0%, 81.7%, 80.9%, 48.6%

OKLCH

0.3986 0.1419 26.2

Properties

Warm Dark Nearest: firebrick 4

Color Harmonies

Complementary

#831819

#188382

Analogous

#83184F

#834C18

#831819

Triadic

#831819

#198318

#181983

Split Complementary

#831819

#18834C

#184F83

Tetradic

#831819

#4F8318

#188382

#4C1883

Color Blindness Simulation

Original

#831819

Protanopia

#555419

Deuteranopia

#5B6319

Tritanopia

#7E1919

Achromatopsia

#2F2F2F

CSS Usage

background-color: #831819;
color: #831819;
border-color: #831819;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FCF3F3
100
#F8E3E3
200
#F4C3C3
300
#EC9898
400
#E26061
500
#D72829
600
#AC2021
700
#8A191A
800
#6C1415
900
#4F1213
950
#320C0C

Contrast Checker

Text on white

9.95:1

AA Pass AAA Pass

Text on black

2.11:1

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