#643197

#643197

Color Values

HEX

#643197

RGB

100, 49, 151

HSL

270.0, 51.0%, 39.2%

HSV

270.0, 67.5%, 59.2%

CMYK

33.8%, 67.5%, 0.0%, 40.8%

OKLCH

0.4337 0.1603 303.2

Properties

Cool Dark Nearest: rebeccapurple

Color Harmonies

Complementary

#643197

#649731

Analogous

#313197

#973197

#643197

Triadic

#643197

#976431

#319764

Split Complementary

#643197

#979731

#319731

Tetradic

#643197

#973131

#649731

#319797

Color Blindness Simulation

Original

#643197

Protanopia

#4E4D7E

Deuteranopia

#515578

Tritanopia

#616B67

Achromatopsia

#434343

CSS Usage

background-color: #643197;
color: #643197;
border-color: #643197;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F7F4FB
100
#EDE5F5
200
#DBC9EE
300
#C2A3E1
400
#A171D1
500
#803EC1
600
#66329A
700
#52287B
800
#401F60
900
#301A47
950
#1F112D

Contrast Checker

Text on white

8.65:1

AA Pass AAA Pass

Text on black

2.43:1

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