#8B181F

#8B181F

Color Values

HEX

#8B181F

RGB

139, 24, 31

HSL

356.3, 70.6%, 32.0%

HSV

356.3, 82.7%, 54.5%

CMYK

0.0%, 82.7%, 77.7%, 45.5%

OKLCH

0.4149 0.1493 24.1

Properties

Warm Dark Nearest: firebrick 4

Color Harmonies

Complementary

#8B181F

#188B84

Analogous

#8B1859

#8B4A18

#8B181F

Triadic

#8B181F

#1F8B18

#181F8B

Split Complementary

#8B181F

#188B4A

#18598B

Tetradic

#8B181F

#598B18

#188B84

#4A188B

Color Blindness Simulation

Original

#8B181F

Protanopia

#59581D

Deuteranopia

#60681D

Tritanopia

#851C1C

Achromatopsia

#313131

CSS Usage

background-color: #8B181F;
color: #8B181F;
border-color: #8B181F;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FCF3F3
100
#F8E2E4
200
#F5C2C5
300
#ED979C
400
#E35E66
500
#DA2531
600
#AE1E27
700
#8B181F
800
#6D1318
900
#4F1215
950
#320B0E

Contrast Checker

Text on white

9.34:1

AA Pass AAA Pass

Text on black

2.25:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026