#F43231

#F43231

Color Values

HEX

#F43231

RGB

244, 50, 49

HSL

0.3, 89.9%, 57.5%

HSV

0.3, 79.9%, 95.7%

CMYK

0.0%, 79.5%, 79.9%, 4.3%

OKLCH

0.6287 0.2281 27.1

Properties

Warm Light Nearest: firebrick 2

Color Harmonies

Complementary

#F43231

#31F3F4

Analogous

#F43192

#F49431

#F43231

Triadic

#F43231

#31F432

#3231F4

Split Complementary

#F43231

#31F494

#3192F4

Tetradic

#F43231

#92F431

#31F3F4

#9431F4

Color Blindness Simulation

Original

#F43231

Protanopia

#A09E31

Deuteranopia

#ABBA31

Tritanopia

#EA3131

Achromatopsia

#5B5B5B

CSS Usage

background-color: #F43231;
color: #F43231;
border-color: #F43231;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#FBE0E0
200
#FBBCBB
300
#F98B8B
400
#F54D4C
500
#F20E0D
600
#C20B0A
700
#9B0908
800
#790706
900
#580A09
950
#370606

Contrast Checker

Text on white

3.93:1

AA Fail AAA Fail

Text on black

5.35:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026