#C43F37

#C43F37

Color Values

HEX

#C43F37

RGB

196, 63, 55

HSL

3.4, 56.2%, 49.2%

HSV

3.4, 71.9%, 76.9%

CMYK

0.0%, 67.9%, 71.9%, 23.1%

OKLCH

0.5581 0.1707 27.5

Properties

Warm Dark Nearest: NCS S 1060-R Bright Red

Color Harmonies

Complementary

#C43F37

#37BCC4

Analogous

#C43775

#C48537

#C43F37

Triadic

#C43F37

#37C43F

#3F37C4

Split Complementary

#C43F37

#37C485

#3775C4

Tetradic

#C43F37

#75C437

#37BCC4

#8537C4

Color Blindness Simulation

Original

#C43F37

Protanopia

#8A8939

Deuteranopia

#929C39

Tritanopia

#BD3A3B

Achromatopsia

#5B5B5B

CSS Usage

background-color: #C43F37;
color: #C43F37;
border-color: #C43F37;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FBF4F4
100
#F6E6E5
200
#EFCAC7
300
#E4A39F
400
#D6726C
500
#C74038
600
#9F332D
700
#7F2924
800
#64201C
900
#491B18
950
#2E110F

Contrast Checker

Text on white

5.11:1

AA Pass AAA Fail

Text on black

4.11:1

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