#B03121

#B03121

Color Values

HEX

#B03121

RGB

176, 49, 33

HSL

6.7, 68.4%, 41.0%

HSV

6.7, 81.2%, 69.0%

CMYK

0.0%, 72.2%, 81.2%, 31.0%

OKLCH

0.5061 0.1662 30.7

Properties

Warm Dark Nearest: RAL 3000 Flame Red

Color Harmonies

Complementary

#B03121

#21A0B0

Analogous

#B02159

#B07921

#B03121

Triadic

#B03121

#21B031

#3121B0

Split Complementary

#B03121

#21B079

#2159B0

Tetradic

#B03121

#59B021

#21A0B0

#7921B0

Color Blindness Simulation

Original

#B03121

Protanopia

#797825

Deuteranopia

#808A26

Tritanopia

#AA2829

Achromatopsia

#4B4B4B

CSS Usage

background-color: #B03121;
color: #B03121;
border-color: #B03121;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FCF4F3
100
#F8E5E3
200
#F4C8C3
300
#ECA198
400
#E16F60
500
#D73C28
600
#AC3020
700
#89261A
800
#6B1E14
900
#4E1913
950
#31100C

Contrast Checker

Text on white

6.35:1

AA Pass AAA Fail

Text on black

3.31:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026