#643C92

#643C92

Color Values

HEX

#643C92

RGB

100, 60, 146

HSL

267.9, 41.7%, 40.4%

HSV

267.9, 58.9%, 57.3%

CMYK

31.5%, 58.9%, 0.0%, 42.7%

OKLCH

0.4463 0.138 302.6

Properties

Cool Dark Nearest: Royal Purple

Color Harmonies

Complementary

#643C92

#6A923C

Analogous

#3C3F92

#8F3C92

#643C92

Triadic

#643C92

#92643C

#3C9264

Split Complementary

#643C92

#928F3C

#3F923C

Tetradic

#643C92

#923C3F

#6A923C

#3C928F

Color Blindness Simulation

Original

#643C92

Protanopia

#53527D

Deuteranopia

#555878

Tritanopia

#626D69

Achromatopsia

#4B4B4B

CSS Usage

background-color: #643C92;
color: #643C92;
border-color: #643C92;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5FA
100
#EDE7F3
200
#DACCEA
300
#C0A8DB
400
#9E79C8
500
#7C4AB5
600
#633B91
700
#4F3074
800
#3E255A
900
#2F1E43
950
#1E132A

Contrast Checker

Text on white

8.07:1

AA Pass AAA Pass

Text on black

2.6:1

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