#663F46

#663F46

Color Values

HEX

#663F46

RGB

102, 63, 70

HSL

349.2, 23.6%, 32.4%

HSV

349.2, 38.2%, 40.0%

CMYK

0.0%, 38.2%, 31.4%, 60.0%

OKLCH

0.4156 0.0553 8.1

Properties

Warm Dark Nearest: RAL 8015 Chestnut Brown

Color Harmonies

Complementary

#663F46

#3F665F

Analogous

#663F5A

#664C3F

#663F46

Triadic

#663F46

#46663F

#3F4666

Split Complementary

#663F46

#3F664C

#3F5A66

Tetradic

#663F46

#5A663F

#3F665F

#4C3F66

Color Blindness Simulation

Original

#663F46

Protanopia

#555544

Deuteranopia

#575A44

Tritanopia

#644343

Achromatopsia

#484848

CSS Usage

background-color: #663F46;
color: #663F46;
border-color: #663F46;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F9F6F6
100
#F1EAEB
200
#E4D3D6
300
#D0B3B9
400
#B78A92
500
#9E616C
600
#7E4E57
700
#653E45
800
#4F3136
900
#3B262A
950
#25181A

Contrast Checker

Text on white

8.88:1

AA Pass AAA Pass

Text on black

2.36:1

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