#663C3F

#663C3F

Color Values

HEX

#663C3F

RGB

102, 60, 63

HSL

355.7, 25.9%, 31.8%

HSV

355.7, 41.2%, 40.0%

CMYK

0.0%, 41.2%, 38.2%, 60.0%

OKLCH

0.4076 0.0594 15.4

Properties

Warm Dark Nearest: RAL 8015 Chestnut Brown

Color Harmonies

Complementary

#663C3F

#3C6663

Analogous

#663C54

#664E3C

#663C3F

Triadic

#663C3F

#3F663C

#3C3F66

Split Complementary

#663C3F

#3C664E

#3C5466

Tetradic

#663C3F

#54663C

#3C6663

#4E3C66

Color Blindness Simulation

Original

#663C3F

Protanopia

#54533E

Deuteranopia

#56593E

Tritanopia

#643E3E

Achromatopsia

#454545

CSS Usage

background-color: #663C3F;
color: #663C3F;
border-color: #663C3F;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F9F6F6
100
#F1E9EA
200
#E5D2D3
300
#D2B2B4
400
#B9888C
500
#A15E63
600
#804C4F
700
#673C3F
800
#502F32
900
#3C2527
950
#261718

Contrast Checker

Text on white

9.2:1

AA Pass AAA Pass

Text on black

2.28:1

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