#663B45

#663B45

Color Values

HEX

#663B45

RGB

102, 59, 69

HSL

346.0, 26.7%, 31.6%

HSV

346.0, 42.2%, 40.0%

CMYK

0.0%, 42.2%, 32.4%, 60.0%

OKLCH

0.4075 0.062 5.2

Properties

Warm Dark Nearest: RAL 8015 Chestnut Brown

Color Harmonies

Complementary

#663B45

#3B665C

Analogous

#663B5B

#66473B

#663B45

Triadic

#663B45

#45663B

#3B4566

Split Complementary

#663B45

#3B6647

#3B5B66

Tetradic

#663B45

#5B663B

#3B665C

#473B66

Color Blindness Simulation

Original

#663B45

Protanopia

#535343

Deuteranopia

#565942

Tritanopia

#644140

Achromatopsia

#454545

CSS Usage

background-color: #663B45;
color: #663B45;
border-color: #663B45;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F9F6F6
100
#F1E9EB
200
#E5D2D6
300
#D2B1B9
400
#BA8793
500
#A25D6D
600
#814B57
700
#673C46
800
#512F37
900
#3C252A
950
#26171B

Contrast Checker

Text on white

9.22:1

AA Pass AAA Pass

Text on black

2.28:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026