#643D68

#643D68

Color Values

HEX

#643D68

RGB

100, 61, 104

HSL

294.4, 26.1%, 32.4%

HSV

294.4, 41.3%, 40.8%

CMYK

3.8%, 41.3%, 0.0%, 59.2%

OKLCH

0.4231 0.084 323.6

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#643D68

#41683D

Analogous

#4F3D68

#683D57

#643D68

Triadic

#643D68

#68643D

#3D6864

Split Complementary

#643D68

#57683D

#3D684F

Tetradic

#643D68

#684F3D

#41683D

#3D5768

Color Blindness Simulation

Original

#643D68

Protanopia

#53535E

Deuteranopia

#55585B

Tritanopia

#625554

Achromatopsia

#484848

CSS Usage

background-color: #643D68;
color: #643D68;
border-color: #643D68;
Nearest Tailwind: Fuchsia 950 #4A044E

Tailwind Shades

50
#F9F6F9
100
#F0E9F1
200
#E3D2E5
300
#CFB2D2
400
#B588B9
500
#9B5EA1
600
#7C4B81
700
#633C67
800
#4D2F50
900
#3A253C
950
#241726

Contrast Checker

Text on white

8.72:1

AA Pass AAA Pass

Text on black

2.41:1

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