#643B47

#643B47

Color Values

HEX

#643B47

RGB

100, 59, 71

HSL

342.4, 25.8%, 31.2%

HSV

342.4, 41.0%, 39.2%

CMYK

0.0%, 41.0%, 29.0%, 60.8%

OKLCH

0.4055 0.06 1.2

Properties

Warm Dark Nearest: Eggplant

Color Harmonies

Complementary

#643B47

#3B6458

Analogous

#643B5C

#64443B

#643B47

Triadic

#643B47

#47643B

#3B4764

Split Complementary

#643B47

#3B6444

#3B5C64

Tetradic

#643B47

#5C643B

#3B6458

#443B64

Color Blindness Simulation

Original

#643B47

Protanopia

#525244

Deuteranopia

#555843

Tritanopia

#624241

Achromatopsia

#454545

CSS Usage

background-color: #643B47;
color: #643B47;
border-color: #643B47;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F9F6F7
100
#F1E9EC
200
#E5D2D7
300
#D2B2BB
400
#B98897
500
#A05F72
600
#804C5B
700
#673D49
800
#502F39
900
#3C252C
950
#26171C

Contrast Checker

Text on white

9.3:1

AA Pass AAA Pass

Text on black

2.26:1

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