#D43637

#D43637

Color Values

HEX

#D43637

RGB

212, 54, 55

HSL

359.6, 64.8%, 52.2%

HSV

359.6, 74.5%, 83.1%

CMYK

0.0%, 74.5%, 74.1%, 16.9%

OKLCH

0.5765 0.1948 25.5

Properties

Warm Dark Nearest: brown 3

Color Harmonies

Complementary

#D43637

#36D4D3

Analogous

#D43686

#D48436

#D43637

Triadic

#D43637

#37D436

#3637D4

Split Complementary

#D43637

#36D484

#3686D4

Tetradic

#D43637

#86D436

#36D4D3

#8436D4

Color Blindness Simulation

Original

#D43637

Protanopia

#908E37

Deuteranopia

#99A537

Tritanopia

#CC3737

Achromatopsia

#585858

CSS Usage

background-color: #D43637;
color: #D43637;
border-color: #D43637;
Nearest Tailwind: Red 500 #EF4444

Tailwind Shades

50
#FCF3F3
100
#F7E3E3
200
#F2C4C4
300
#E99A9B
400
#DE6464
500
#D22D2E
600
#A82425
700
#861D1D
800
#691617
900
#4D1415
950
#300D0D

Contrast Checker

Text on white

4.79:1

AA Pass AAA Fail

Text on black

4.38:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026