#F21919

#F21919

Color Values

HEX

#F21919

RGB

242, 25, 25

HSL

0.0, 89.3%, 52.4%

HSV

0.0, 89.7%, 94.9%

CMYK

0.0%, 89.7%, 89.7%, 5.1%

OKLCH

0.6104 0.2408 28.4

Properties

Warm Light Nearest: red 2

Color Harmonies

Complementary

#F21919

#19F2F2

Analogous

#F21986

#F28619

#F21919

Triadic

#F21919

#19F219

#1919F2

Split Complementary

#F21919

#19F286

#1986F2

Tetradic

#F21919

#86F219

#19F2F2

#8619F2

Color Blindness Simulation

Original

#F21919

Protanopia

#949219

Deuteranopia

#A1B119

Tritanopia

#E71919

Achromatopsia

#474747

CSS Usage

background-color: #F21919;
color: #F21919;
border-color: #F21919;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#FBE0E0
200
#FBBBBB
300
#F88B8B
400
#F54C4C
500
#F10E0E
600
#C10B0B
700
#9A0909
800
#790707
900
#570A0A
950
#370606

Contrast Checker

Text on white

4.26:1

AA Fail AAA Fail

Text on black

4.93:1

AA Pass 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