#663C41

#663C41

Color Values

HEX

#663C41

RGB

102, 60, 65

HSL

352.9, 25.9%, 31.8%

HSV

352.9, 41.2%, 40.0%

CMYK

0.0%, 41.2%, 36.3%, 60.0%

OKLCH

0.4082 0.0595 12.3

Properties

Warm Dark Nearest: RAL 8015 Chestnut Brown

Color Harmonies

Complementary

#663C41

#3C6661

Analogous

#663C56

#664C3C

#663C41

Triadic

#663C41

#41663C

#3C4166

Split Complementary

#663C41

#3C664C

#3C5666

Tetradic

#663C41

#56663C

#3C6661

#4C3C66

Color Blindness Simulation

Original

#663C41

Protanopia

#545340

Deuteranopia

#565940

Tritanopia

#643F3F

Achromatopsia

#454545

CSS Usage

background-color: #663C41;
color: #663C41;
border-color: #663C41;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F9F6F6
100
#F1E9EA
200
#E5D2D4
300
#D2B2B6
400
#B9888E
500
#A15E66
600
#804C52
700
#673C41
800
#502F33
900
#3C2528
950
#261719

Contrast Checker

Text on white

9.18:1

AA Pass AAA Pass

Text on black

2.29:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026