#D43839

#D43839

Color Values

HEX

#D43839

RGB

212, 56, 57

HSL

359.6, 64.5%, 52.5%

HSV

359.6, 73.6%, 83.1%

CMYK

0.0%, 73.6%, 73.1%, 16.9%

OKLCH

0.5785 0.1929 25.3

Properties

Warm Dark Nearest: brown 3

Color Harmonies

Complementary

#D43839

#38D4D3

Analogous

#D43887

#D48538

#D43839

Triadic

#D43839

#39D438

#3839D4

Split Complementary

#D43839

#38D485

#3887D4

Tetradic

#D43839

#87D438

#38D4D3

#8538D4

Color Blindness Simulation

Original

#D43839

Protanopia

#908F39

Deuteranopia

#9AA539

Tritanopia

#CC3939

Achromatopsia

#595959

CSS Usage

background-color: #D43839;
color: #D43839;
border-color: #D43839;
Nearest Tailwind: Red 500 #EF4444

Tailwind Shades

50
#FCF3F3
100
#F7E3E3
200
#F2C4C5
300
#E99A9B
400
#DE6465
500
#D22D2E
600
#A82425
700
#861D1E
800
#691717
900
#4D1415
950
#300D0D

Contrast Checker

Text on white

4.75:1

AA Pass AAA Fail

Text on black

4.42:1

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