#643899

#643899

Color Values

HEX

#643899

RGB

100, 56, 153

HSL

267.2, 46.4%, 41.0%

HSV

267.2, 63.4%, 60.0%

CMYK

34.6%, 63.4%, 0.0%, 40.0%

OKLCH

0.4451 0.1527 301.3

Properties

Cool Dark Nearest: rebeccapurple

Color Harmonies

Complementary

#643899

#6D9938

Analogous

#383D99

#953899

#643899

Triadic

#643899

#996438

#389964

Split Complementary

#643899

#999538

#3D9938

Tetradic

#643899

#99383D

#6D9938

#389995

Color Blindness Simulation

Original

#643899

Protanopia

#515182

Deuteranopia

#54577C

Tritanopia

#626F6B

Achromatopsia

#484848

CSS Usage

background-color: #643899;
color: #643899;
border-color: #643899;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F7F4FA
100
#ECE6F4
200
#DACBEC
300
#BFA5DE
400
#9D75CC
500
#7A44BB
600
#623795
700
#4E2C77
800
#3D225D
900
#2F1C45
950
#1D122B

Contrast Checker

Text on white

8.18:1

AA Pass AAA Pass

Text on black

2.57:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026