#C31A15

#C31A15

Color Values

HEX

#C31A15

RGB

195, 26, 21

HSL

1.7, 80.6%, 42.4%

HSV

1.7, 89.2%, 76.5%

CMYK

0.0%, 86.7%, 89.2%, 23.5%

OKLCH

0.5227 0.2011 28.7

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#C31A15

#15BEC3

Analogous

#C31567

#C37115

#C31A15

Triadic

#C31A15

#15C31A

#1A15C3

Split Complementary

#C31A15

#15C371

#1567C3

Tetradic

#C31A15

#67C315

#15BEC3

#7115C3

Color Blindness Simulation

Original

#C31A15

Protanopia

#7A7816

Deuteranopia

#849016

Tritanopia

#BB1717

Achromatopsia

#3E3E3E

CSS Usage

background-color: #C31A15;
color: #C31A15;
border-color: #C31A15;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF2F2
100
#F9E2E1
200
#F8C0BF
300
#F39390
400
#ED5955
500
#E61F19
600
#B81814
700
#931410
800
#730F0C
900
#540F0D
950
#350A08

Contrast Checker

Text on white

6.04:1

AA Pass AAA Fail

Text on black

3.48:1

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