#B71815

#B71815

Color Values

HEX

#B71815

RGB

183, 24, 21

HSL

1.1, 79.4%, 40.0%

HSV

1.1, 88.5%, 71.8%

CMYK

0.0%, 86.9%, 88.5%, 28.2%

OKLCH

0.4989 0.1914 28.4

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#B71815

#15B4B7

Analogous

#B71563

#B76915

#B71815

Triadic

#B71815

#15B718

#1815B7

Split Complementary

#B71815

#15B769

#1563B7

Tetradic

#B71815

#63B715

#15B4B7

#6915B7

Color Blindness Simulation

Original

#B71815

Protanopia

#727116

Deuteranopia

#7B8716

Tritanopia

#AF1616

Achromatopsia

#3A3A3A

CSS Usage

background-color: #B71815;
color: #B71815;
border-color: #B71815;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF2F2
100
#F9E2E1
200
#F8C0BF
300
#F29391
400
#EC5856
500
#E51E1A
600
#B71815
700
#921311
800
#720F0D
900
#530F0E
950
#340A09

Contrast Checker

Text on white

6.66:1

AA Pass AAA Fail

Text on black

3.15:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026