#51403B

#51403B

Color Values

HEX

#51403B

RGB

81, 64, 59

HSL

13.6, 15.7%, 27.5%

HSV

13.6, 27.2%, 31.8%

CMYK

0.0%, 21.0%, 27.2%, 68.2%

OKLCH

0.388 0.0253 37.0

Properties

Warm Dark Nearest: RAL 8028 Terra Brown

Color Harmonies

Complementary

#51403B

#3B4C51

Analogous

#513B41

#514B3B

#51403B

Triadic

#51403B

#3B5140

#403B51

Split Complementary

#51403B

#3B514B

#3B4151

Tetradic

#51403B

#41513B

#3B4C51

#4B3B51

Color Blindness Simulation

Original

#51403B

Protanopia

#4A493C

Deuteranopia

#4B4C3C

Tritanopia

#503D3D

Achromatopsia

#434343

CSS Usage

background-color: #51403B;
color: #51403B;
border-color: #51403B;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F8F7F6
100
#F0ECEB
200
#E1D8D6
300
#CBBDB8
400
#AF9992
500
#94756B
600
#765D56
700
#5E4B45
800
#4A3A36
900
#372D2A
950
#231C1A

Contrast Checker

Text on white

9.78:1

AA Pass AAA Pass

Text on black

2.15:1

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