#C30303

#C30303

Color Values

HEX

#C30303

RGB

195, 3, 3

HSL

0.0, 97.0%, 38.8%

HSV

0.0, 98.5%, 76.5%

CMYK

0.0%, 98.5%, 98.5%, 23.5%

OKLCH

0.5141 0.2097 29.1

Properties

Warm Dark Nearest: RAL 3020 Traffic Red

Color Harmonies

Complementary

#C30303

#03C3C3

Analogous

#C30363

#C36303

#C30303

Triadic

#C30303

#03C303

#0303C3

Split Complementary

#C30303

#03C363

#0363C3

Tetradic

#C30303

#63C303

#03C3C3

#6303C3

Color Blindness Simulation

Original

#C30303

Protanopia

#706E03

Deuteranopia

#7B8903

Tritanopia

#B90303

Achromatopsia

#2C2C2C

CSS Usage

background-color: #C30303;
color: #C30303;
border-color: #C30303;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FEF1F1
100
#FCDEDE
200
#FEB9B9
300
#FD8686
400
#FC4545
500
#FB0404
600
#C90303
700
#A10202
800
#7E0202
900
#5B0606
950
#390404

Contrast Checker

Text on white

6.3:1

AA Pass AAA Fail

Text on black

3.33:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026