#B43839

#B43839

Color Values

HEX

#B43839

RGB

180, 56, 57

HSL

359.5, 52.5%, 46.3%

HSV

359.5, 68.9%, 70.6%

CMYK

0.0%, 68.9%, 68.3%, 29.4%

OKLCH

0.5236 0.1603 24.2

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#B43839

#38B4B3

Analogous

#B43877

#B47538

#B43839

Triadic

#B43839

#39B438

#3839B4

Split Complementary

#B43839

#38B475

#3877B4

Tetradic

#B43839

#77B438

#38B4B3

#7538B4

Color Blindness Simulation

Original

#B43839

Protanopia

#7E7D39

Deuteranopia

#868F39

Tritanopia

#AE3939

Achromatopsia

#525252

CSS Usage

background-color: #B43839;
color: #B43839;
border-color: #B43839;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F5E5E5
200
#EEC9C9
300
#E2A2A2
400
#D26F70
500
#C23D3E
600
#9C3031
700
#7C2727
800
#611E1F
900
#471A1A
950
#2D1010

Contrast Checker

Text on white

5.89:1

AA Pass AAA Fail

Text on black

3.57:1

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