#B71F24

#B71F24

Color Values

HEX

#B71F24

RGB

183, 31, 36

HSL

358.0, 71.0%, 42.0%

HSV

358.0, 83.1%, 71.8%

CMYK

0.0%, 83.1%, 80.3%, 28.2%

OKLCH

0.5043 0.1861 25.9

Properties

Warm Dark Nearest: firebrick

Color Harmonies

Complementary

#B71F24

#1FB7B2

Analogous

#B71F70

#B7661F

#B71F24

Triadic

#B71F24

#24B71F

#1F24B7

Split Complementary

#B71F24

#1FB766

#1F70B7

Tetradic

#B71F24

#70B71F

#1FB7B2

#661FB7

Color Blindness Simulation

Original

#B71F24

Protanopia

#757423

Deuteranopia

#7E8922

Tritanopia

#AF2222

Achromatopsia

#404040

CSS Usage

background-color: #B71F24;
color: #B71F24;
border-color: #B71F24;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF3F3
100
#F8E2E3
200
#F5C2C4
300
#ED9699
400
#E45E62
500
#DA252B
600
#AE1E22
700
#8C181C
800
#6D1216
900
#4F1114
950
#320B0C

Contrast Checker

Text on white

6.49:1

AA Pass AAA Fail

Text on black

3.23:1

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