#643A96

#643A96

Color Values

HEX

#643A96

RGB

100, 58, 150

HSL

267.4, 44.2%, 40.8%

HSV

267.4, 61.3%, 58.8%

CMYK

33.3%, 61.3%, 0.0%, 41.2%

OKLCH

0.4459 0.1461 301.8

Properties

Cool Dark Nearest: rebeccapurple

Color Harmonies

Complementary

#643A96

#6C963A

Analogous

#3A3E96

#923A96

#643A96

Triadic

#643A96

#96643A

#3A9664

Split Complementary

#643A96

#96923A

#3E963A

Tetradic

#643A96

#963A3E

#6C963A

#3A9692

Color Blindness Simulation

Original

#643A96

Protanopia

#525180

Deuteranopia

#54577A

Tritanopia

#626E6A

Achromatopsia

#4A4A4A

CSS Usage

background-color: #643A96;
color: #643A96;
border-color: #643A96;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F7F4FA
100
#EDE6F4
200
#DACCEB
300
#BFA7DD
400
#9D77CA
500
#7B47B8
600
#623993
700
#4E2E76
800
#3D245C
900
#2F1D44
950
#1E122B

Contrast Checker

Text on white

8.12:1

AA Pass AAA Pass

Text on black

2.59:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026