#643191

#643191

Color Values

HEX

#643191

RGB

100, 49, 145

HSL

271.9, 49.5%, 38.0%

HSV

271.9, 66.2%, 56.9%

CMYK

31.0%, 66.2%, 0.0%, 43.1%

OKLCH

0.4292 0.1534 305.2

Properties

Cool Dark Nearest: rebeccapurple

Color Harmonies

Complementary

#643191

#5E9131

Analogous

#343191

#91318E

#643191

Triadic

#643191

#916431

#319164

Split Complementary

#643191

#8E9131

#319134

Tetradic

#643191

#913431

#5E9131

#318E91

Color Blindness Simulation

Original

#643191

Protanopia

#4E4D7A

Deuteranopia

#515574

Tritanopia

#616763

Achromatopsia

#434343

CSS Usage

background-color: #643191;
color: #643191;
border-color: #643191;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F8F4FB
100
#EEE6F5
200
#DCCAED
300
#C4A4E0
400
#A472CF
500
#8340BF
600
#693498
700
#54297A
800
#42205F
900
#321B46
950
#1F112C

Contrast Checker

Text on white

8.79:1

AA Pass AAA Pass

Text on black

2.39:1

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