#B33137

#B33137

Color Values

HEX

#B33137

RGB

179, 49, 55

HSL

357.2, 57.0%, 44.7%

HSV

357.2, 72.6%, 70.2%

CMYK

0.0%, 72.6%, 69.3%, 29.8%

OKLCH

0.5143 0.1663 22.9

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#B33137

#31B3AD

Analogous

#B33178

#B36C31

#B33137

Triadic

#B33137

#37B331

#3137B3

Split Complementary

#B33137

#31B36C

#3178B3

Tetradic

#B33137

#78B331

#31B3AD

#6C31B3

Color Blindness Simulation

Original

#B33137

Protanopia

#7B7A36

Deuteranopia

#828C35

Tritanopia

#AC3434

Achromatopsia

#4D4D4D

CSS Usage

background-color: #B33137;
color: #B33137;
border-color: #B33137;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F6E5E5
200
#F0C7C9
300
#E59FA2
400
#D66B70
500
#C8373E
600
#A02C31
700
#802327
800
#641B1F
900
#49181A
950
#2E0F10

Contrast Checker

Text on white

6.16:1

AA Pass AAA Fail

Text on black

3.41:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026