#B23537

#B23537

Color Values

HEX

#B23537

RGB

178, 53, 55

HSL

359.0, 54.1%, 45.3%

HSV

359.0, 70.2%, 69.8%

CMYK

0.0%, 70.2%, 69.1%, 30.2%

OKLCH

0.5166 0.1614 24.0

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#B23537

#35B2B0

Analogous

#B23576

#B27135

#B23537

Triadic

#B23537

#37B235

#3537B2

Split Complementary

#B23537

#35B271

#3576B2

Tetradic

#B23537

#76B235

#35B2B0

#7135B2

Color Blindness Simulation

Original

#B23537

Protanopia

#7C7B37

Deuteranopia

#838C36

Tritanopia

#AC3636

Achromatopsia

#505050

CSS Usage

background-color: #B23537;
color: #B23537;
border-color: #B23537;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F5E5E5
200
#EFC8C9
300
#E3A1A2
400
#D46E6F
500
#C43B3D
600
#9D2F31
700
#7E2527
800
#621D1E
900
#48191A
950
#2D1010

Contrast Checker

Text on white

6.07:1

AA Pass AAA Fail

Text on black

3.46:1

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