#E71D1C

#E71D1C

Color Values

HEX

#E71D1C

RGB

231, 29, 28

HSL

0.3, 80.9%, 50.8%

HSV

0.3, 87.9%, 90.6%

CMYK

0.0%, 87.4%, 87.9%, 9.4%

OKLCH

0.5918 0.2299 28.2

Properties

Warm Light Nearest: firebrick 2

Color Harmonies

Complementary

#E71D1C

#1CE6E7

Analogous

#E71C81

#E7831C

#E71D1C

Triadic

#E71D1C

#1CE71D

#1D1CE7

Split Complementary

#E71D1C

#1CE783

#1C81E7

Tetradic

#E71D1C

#81E71C

#1CE6E7

#831CE7

Color Blindness Simulation

Original

#E71D1C

Protanopia

#8F8E1C

Deuteranopia

#9BAA1C

Tritanopia

#DD1C1C

Achromatopsia

#484848

CSS Usage

background-color: #E71D1C;
color: #E71D1C;
border-color: #E71D1C;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#F9E1E1
200
#F8BFBE
300
#F39190
400
#ED5554
500
#E71918
600
#B91413
700
#941010
800
#730D0C
900
#540E0D
950
#350908

Contrast Checker

Text on white

4.57:1

AA Pass AAA Fail

Text on black

4.59:1

AA Pass AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026