#F34343

#F34343

Color Values

HEX

#F34343

RGB

243, 67, 67

HSL

0.0, 88.0%, 60.8%

HSV

0.0, 72.4%, 95.3%

CMYK

0.0%, 72.4%, 72.4%, 4.7%

OKLCH

0.6425 0.2127 25.5

Properties

Warm Light Nearest: brown 2

Color Harmonies

Complementary

#F34343

#43F3F3

Analogous

#F3439B

#F39B43

#F34343

Triadic

#F34343

#43F343

#4343F3

Split Complementary

#F34343

#43F39B

#439BF3

Tetradic

#F34343

#9BF343

#43F3F3

#9B43F3

Color Blindness Simulation

Original

#F34343

Protanopia

#A7A543

Deuteranopia

#B1BE43

Tritanopia

#EA4343

Achromatopsia

#686868

CSS Usage

background-color: #F34343;
color: #F34343;
border-color: #F34343;
Nearest Tailwind: Red 500 #EF4444

Tailwind Shades

50
#FDF2F2
100
#FBE0E0
200
#FBBCBC
300
#F88C8C
400
#F44E4E
500
#F00F0F
600
#C00C0C
700
#990A0A
800
#780808
900
#570A0A
950
#370606

Contrast Checker

Text on white

3.69:1

AA Fail AAA Fail

Text on black

5.69:1

AA Pass 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