#831718

#831718

Color Values

HEX

#831718

RGB

131, 23, 24

HSL

359,4, 70,1%, 30,2%

HSV

359,4, 82,4%, 51,4%

CMYK

0,0%, 82,4%, 81,7%, 48,6%

OKLCH

0,3976 0,1428 26,3

Properties

Warm Dark Nearest: firebrick 4

Color Harmonies

Complementary

#831718

#178382

Analogous

#83174E

#834C17

#831718

Triadic

#831718

#188317

#171883

Split Complementary

#831718

#17834C

#174E83

Tetradic

#831718

#4E8317

#178382

#4C1783

Color Blindness Simulation

Original

#831718

Protanopia

#545318

Deuteranopia

#5A6318

Tritanopia

#7E1818

Achromatopsia

#2E2E2E

CSS Usage

background-color: #831718;
color: #831718;
border-color: #831718;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FCF3F3
100
#F8E3E3
200
#F4C2C3
300
#ED9798
400
#E35F60
500
#D92628
600
#AE1E20
700
#8B181A
800
#6C1314
900
#4F1212
950
#320B0C

Contrast Checker

Text on white

10,0:1

AA Pass AAA Pass

Text on black

2,1:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Fév 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Fév 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Fév 19, 2026