#51181A

#51181A

Color Values

HEX

#51181A

RGB

81, 24, 26

HSL

357.9, 54.3%, 20.6%

HSV

357.9, 70.4%, 31.8%

CMYK

0.0%, 70.4%, 67.9%, 68.2%

OKLCH

0.3019 0.0854 21.8

Properties

Warm Dark Nearest: RAL 8012 Red Brown

Color Harmonies

Complementary

#51181A

#18514F

Analogous

#511837

#513318

#51181A

Triadic

#51181A

#1A5118

#181A51

Split Complementary

#51181A

#185133

#183751

Tetradic

#51181A

#375118

#18514F

#331851

Color Blindness Simulation

Original

#51181A

Protanopia

#38381A

Deuteranopia

#3C4019

Tritanopia

#4E1919

Achromatopsia

#242424

CSS Usage

background-color: #51181A;
color: #51181A;
border-color: #51181A;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FBF4F4
100
#F5E5E5
200
#EFC8C9
300
#E3A1A3
400
#D46D71
500
#C53A3F
600
#9D2F32
700
#7E2528
800
#621D20
900
#48191A
950
#2E1011

Contrast Checker

Text on white

14.04:1

AA Pass AAA Pass

Text on black

1.5:1

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