#C31F18

#C31F18

Color Values

HEX

#C31F18

RGB

195, 31, 24

HSL

2.5, 78.1%, 42.9%

HSV

2.5, 87.7%, 76.5%

CMYK

0.0%, 84.1%, 87.7%, 23.5%

OKLCH

0.5257 0.1982 28.8

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#C31F18

#18BCC3

Analogous

#C31866

#C37518

#C31F18

Triadic

#C31F18

#18C31F

#1F18C3

Split Complementary

#C31F18

#18C375

#1866C3

Tetradic

#C31F18

#66C318

#18BCC3

#7518C3

Color Blindness Simulation

Original

#C31F18

Protanopia

#7C7B1A

Deuteranopia

#86921A

Tritanopia

#BB1B1B

Achromatopsia

#414141

CSS Usage

background-color: #C31F18;
color: #C31F18;
border-color: #C31F18;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF3F2
100
#F9E2E1
200
#F7C2BF
300
#F29692
400
#EA5D57
500
#E3241C
600
#B61D16
700
#911712
800
#72120E
900
#53110E
950
#340B09

Contrast Checker

Text on white

5.95:1

AA Pass AAA Fail

Text on black

3.53:1

AA Fail 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