#643B61

#643B61

Color Values

HEX

#643B61

RGB

100, 59, 97

HSL

304.4, 25.8%, 31.2%

HSV

304.4, 41.0%, 39.2%

CMYK

0.0%, 41.0%, 3.0%, 60.8%

OKLCH

0.4161 0.0802 329.5

Properties

Warm Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#643B61

#3B643E

Analogous

#533B64

#643B4D

#643B61

Triadic

#643B61

#61643B

#3B6164

Split Complementary

#643B61

#4D643B

#3B6453

Tetradic

#643B61

#64533B

#3B643E

#3B4D64

Color Blindness Simulation

Original

#643B61

Protanopia

#525258

Deuteranopia

#555856

Tritanopia

#62514F

Achromatopsia

#464646

CSS Usage

background-color: #643B61;
color: #643B61;
border-color: #643B61;
Nearest Tailwind: Fuchsia 950 #4A044E

Tailwind Shades

50
#F9F6F9
100
#F1E9F0
200
#E5D2E3
300
#D2B2CF
400
#B988B5
500
#A05F9C
600
#804C7C
700
#673D64
800
#502F4E
900
#3C253A
950
#261725

Contrast Checker

Text on white

8.97:1

AA Pass AAA Pass

Text on black

2.34:1

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