#C51617

#C51617

Color Values

HEX

#C51617

RGB

197, 22, 23

HSL

359.7, 79.9%, 42.9%

HSV

359.7, 88.8%, 77.3%

CMYK

0.0%, 88.8%, 88.3%, 22.7%

OKLCH

0.5248 0.2044 28.0

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#C51617

#16C5C4

Analogous

#C5166E

#C56D16

#C51617

Triadic

#C51617

#17C516

#1617C5

Split Complementary

#C51617

#16C56D

#166EC5

Tetradic

#C51617

#6EC516

#16C5C4

#6D16C5

Color Blindness Simulation

Original

#C51617

Protanopia

#797817

Deuteranopia

#839017

Tritanopia

#BC1717

Achromatopsia

#3B3B3B

CSS Usage

background-color: #C51617;
color: #C51617;
border-color: #C51617;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#F9E1E1
200
#F8BFBF
300
#F39191
400
#EC5556
500
#E51A1B
600
#B71515
700
#931011
800
#730D0D
900
#530E0E
950
#350909

Contrast Checker

Text on white

6.0:1

AA Pass AAA Fail

Text on black

3.5:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026