#B03539

#B03539

Color Values

HEX

#B03539

RGB

176, 53, 57

HSL

358.0, 53.7%, 44.9%

HSV

358.0, 69.9%, 69.0%

CMYK

0.0%, 69.9%, 67.6%, 31.0%

OKLCH

0.5135 0.1591 23.0

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#B03539

#35B0AC

Analogous

#B03577

#B06E35

#B03539

Triadic

#B03539

#39B035

#3539B0

Split Complementary

#B03539

#35B06E

#3577B0

Tetradic

#B03539

#77B035

#35B0AC

#6E35B0

Color Blindness Simulation

Original

#B03539

Protanopia

#7B7A38

Deuteranopia

#828B38

Tritanopia

#AA3737

Achromatopsia

#4F4F4F

CSS Usage

background-color: #B03539;
color: #B03539;
border-color: #B03539;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F5E5E6
200
#EEC8C9
300
#E3A1A3
400
#D36E71
500
#C43B40
600
#9D2F33
700
#7D2629
800
#621E20
900
#48191B
950
#2D1011

Contrast Checker

Text on white

6.15:1

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