#B63131

#B63131

Color Values

HEX

#B63131

RGB

182, 49, 49

HSL

0.0, 57.6%, 45.3%

HSV

0.0, 73.1%, 71.4%

CMYK

0.0%, 73.1%, 73.1%, 28.6%

OKLCH

0.5186 0.17 25.4

Properties

Warm Dark Nearest: RAL 3031 Orient Red

Color Harmonies

Complementary

#B63131

#31B6B6

Analogous

#B63174

#B67431

#B63131

Triadic

#B63131

#31B631

#3131B6

Split Complementary

#B63131

#31B674

#3174B6

Tetradic

#B63131

#74B631

#31B6B6

#7431B6

Color Blindness Simulation

Original

#B63131

Protanopia

#7C7B31

Deuteranopia

#848E31

Tritanopia

#AF3131

Achromatopsia

#4D4D4D

CSS Usage

background-color: #B63131;
color: #B63131;
border-color: #B63131;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F6E4E4
200
#F0C7C7
300
#E59F9F
400
#D76A6A
500
#C93636
600
#A12B2B
700
#812323
800
#641B1B
900
#4A1717
950
#2E0F0F

Contrast Checker

Text on white

6.05:1

AA Pass AAA Fail

Text on black

3.47:1

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