#C40404

#C40404

Color Values

HEX

#C40404

RGB

196, 4, 4

HSL

0.0, 96.0%, 39.2%

HSV

0.0, 98.0%, 76.9%

CMYK

0.0%, 98.0%, 98.0%, 23.1%

OKLCH

0.5163 0.2102 29.1

Properties

Warm Dark Nearest: RAL 3020 Traffic Red

Color Harmonies

Complementary

#C40404

#04C4C4

Analogous

#C40464

#C46404

#C40404

Triadic

#C40404

#04C404

#0404C4

Split Complementary

#C40404

#04C464

#0464C4

Tetradic

#C40404

#64C404

#04C4C4

#6404C4

Color Blindness Simulation

Original

#C40404

Protanopia

#716F04

Deuteranopia

#7C8A04

Tritanopia

#BA0404

Achromatopsia

#2D2D2D

CSS Usage

background-color: #C40404;
color: #C40404;
border-color: #C40404;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FEF1F1
100
#FCDFDF
200
#FEB9B9
300
#FD8787
400
#FB4646
500
#FA0505
600
#C80404
700
#A00303
800
#7D0303
900
#5A0707
950
#390404

Contrast Checker

Text on white

6.24:1

AA Pass AAA Fail

Text on black

3.37:1

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