#643B60

#643B60

Color Values

HEX

#643B60

RGB

100, 59, 96

HSL

305.9, 25.8%, 31.2%

HSV

305.9, 41.0%, 39.2%

CMYK

0.0%, 41.0%, 4.0%, 60.8%

OKLCH

0.4156 0.0792 330.4

Properties

Warm Dark Nearest: RAL 4001 Red Lilac

Color Harmonies

Complementary

#643B60

#3B643F

Analogous

#543B64

#643B4C

#643B60

Triadic

#643B60

#60643B

#3B6064

Split Complementary

#643B60

#4C643B

#3B6454

Tetradic

#643B60

#64543B

#3B643F

#3B4C64

Color Blindness Simulation

Original

#643B60

Protanopia

#525257

Deuteranopia

#555855

Tritanopia

#62504E

Achromatopsia

#464646

CSS Usage

background-color: #643B60;
color: #643B60;
border-color: #643B60;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F6F9
100
#F1E9F0
200
#E5D2E3
300
#D2B2CE
400
#B988B4
500
#A05F9A
600
#804C7B
700
#673D63
800
#502F4D
900
#3C2539
950
#261724

Contrast Checker

Text on white

8.99:1

AA Pass AAA Pass

Text on black

2.34:1

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