#643D98

#643D98

Color Values

HEX

#643D98

RGB

100, 61, 152

HSL

265,7, 42,7%, 41,8%

HSV

265,7, 59,9%, 59,6%

CMYK

34,2%, 59,9%, 0,0%, 40,4%

OKLCH

0,452 0,144 300,5

Properties

Cool Dark Nearest: rebeccapurple

Color Harmonies

Complementary

#643D98

#71983D

Analogous

#3D4498

#923D98

#643D98

Triadic

#643D98

#98643D

#3D9864

Split Complementary

#643D98

#98923D

#44983D

Tetradic

#643D98

#983D44

#71983D

#3D9892

Color Blindness Simulation

Original

#643D98

Protanopia

#535382

Deuteranopia

#55587D

Tritanopia

#62716D

Achromatopsia

#4C4C4C

CSS Usage

background-color: #643D98;
color: #643D98;
border-color: #643D98;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F7F5FA
100
#ECE7F4
200
#D9CCEB
300
#BEA8DC
400
#9B78C9
500
#7849B6
600
#603A92
700
#4D2F74
800
#3C255B
900
#2E1E43
950
#1D132A

Contrast Checker

Text on white

7,89:1

AA Pass AAA Pass

Text on black

2,66:1

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