#643C93

#643C93

Color Values

HEX

#643C93

RGB

100, 60, 147

HSL

267.6, 42.0%, 40.6%

HSV

267.6, 59.2%, 57.6%

CMYK

32.0%, 59.2%, 0.0%, 42.4%

OKLCH

0.447 0.1392 302.3

Properties

Cool Dark Nearest: Royal Purple

Color Harmonies

Complementary

#643C93

#6B933C

Analogous

#3C4093

#903C93

#643C93

Triadic

#643C93

#93643C

#3C9364

Split Complementary

#643C93

#93903C

#40933C

Tetradic

#643C93

#933C40

#6B933C

#3C9390

Color Blindness Simulation

Original

#643C93

Protanopia

#53527E

Deuteranopia

#555879

Tritanopia

#626D6A

Achromatopsia

#4B4B4B

CSS Usage

background-color: #643C93;
color: #643C93;
border-color: #643C93;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5FA
100
#EDE7F4
200
#DACCEA
300
#C0A8DC
400
#9D79C8
500
#7B4AB5
600
#633B91
700
#4F2F74
800
#3E255B
900
#2F1E43
950
#1E132A

Contrast Checker

Text on white

8.05:1

AA Pass AAA Pass

Text on black

2.61:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026