#643289

#643289

Color Values

HEX

#643289

RGB

100, 50, 137

HSL

274.5, 46.5%, 36.7%

HSV

274.5, 63.5%, 53.7%

CMYK

27.0%, 63.5%, 0.0%, 46.3%

OKLCH

0.4249 0.1426 307.9

Properties

Cool Dark Nearest: mediumorchid 4

Color Harmonies

Complementary

#643289

#578932

Analogous

#393289

#893283

#643289

Triadic

#643289

#896432

#328964

Split Complementary

#643289

#838932

#328939

Tetradic

#643289

#893932

#578932

#328389

Color Blindness Simulation

Original

#643289

Protanopia

#4E4E74

Deuteranopia

#51556F

Tritanopia

#626360

Achromatopsia

#434343

CSS Usage

background-color: #643289;
color: #643289;
border-color: #643289;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F8F4FA
100
#EEE6F4
200
#DECBEC
300
#C6A5DE
400
#A775CD
500
#8844BB
600
#6D3795
700
#572C78
800
#44225D
900
#331C45
950
#21122B

Contrast Checker

Text on white

8.9:1

AA Pass AAA Pass

Text on black

2.36:1

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