#663D44

#663D44

Color Values

HEX

#663D44

RGB

102, 61, 68

HSL

349.8, 25.2%, 32.0%

HSV

349.8, 40.2%, 40.0%

CMYK

0.0%, 40.2%, 33.3%, 60.0%

OKLCH

0.411 0.0583 8.9

Properties

Warm Dark Nearest: RAL 8015 Chestnut Brown

Color Harmonies

Complementary

#663D44

#3D665F

Analogous

#663D59

#664B3D

#663D44

Triadic

#663D44

#44663D

#3D4466

Split Complementary

#663D44

#3D664B

#3D5966

Tetradic

#663D44

#59663D

#3D665F

#4B3D66

Color Blindness Simulation

Original

#663D44

Protanopia

#545442

Deuteranopia

#575A42

Tritanopia

#644141

Achromatopsia

#464646

CSS Usage

background-color: #663D44;
color: #663D44;
border-color: #663D44;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F9F6F6
100
#F1E9EB
200
#E4D2D5
300
#D1B2B8
400
#B88991
500
#A05F6A
600
#804C55
700
#663D44
800
#503035
900
#3B2529
950
#26181A

Contrast Checker

Text on white

9.07:1

AA Pass AAA Pass

Text on black

2.32:1

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