#CB3A3B

#CB3A3B

Color Values

HEX

#CB3A3B

RGB

203, 58, 59

HSL

359.6, 58.2%, 51.2%

HSV

359.6, 71.4%, 79.6%

CMYK

0.0%, 71.4%, 70.9%, 20.4%

OKLCH

0.5653 0.182 24.8

Properties

Warm Dark Nearest: NCS S 1060-R Bright Red

Color Harmonies

Complementary

#CB3A3B

#3ACBCA

Analogous

#CB3A84

#CB823A

#CB3A3B

Triadic

#CB3A3B

#3BCB3A

#3A3BCB

Split Complementary

#CB3A3B

#3ACB82

#3A84CB

Tetradic

#CB3A3B

#84CB3A

#3ACBCA

#823ACB

Color Blindness Simulation

Original

#CB3A3B

Protanopia

#8C8B3B

Deuteranopia

#95A03B

Tritanopia

#C43B3B

Achromatopsia

#595959

CSS Usage

background-color: #CB3A3B;
color: #CB3A3B;
border-color: #CB3A3B;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FBF4F4
100
#F6E4E4
200
#F0C7C7
300
#E59E9F
400
#D86A6A
500
#CA3536
600
#A12B2B
700
#812223
800
#651B1B
900
#4A1717
950
#2F0F0F

Contrast Checker

Text on white

4.99:1

AA Pass AAA Fail

Text on black

4.21:1

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