#643189

#643189

Color Values

HEX

#643189

RGB

100, 49, 137

HSL

274.8, 47.3%, 36.5%

HSV

274.8, 64.2%, 53.7%

CMYK

27.0%, 64.2%, 0.0%, 46.3%

OKLCH

0.4234 0.1442 308.1

Properties

Cool Dark Nearest: mediumorchid 4

Color Harmonies

Complementary

#643189

#568931

Analogous

#383189

#893182

#643189

Triadic

#643189

#896431

#318964

Split Complementary

#643189

#828931

#318938

Tetradic

#643189

#893831

#568931

#318289

Color Blindness Simulation

Original

#643189

Protanopia

#4E4D74

Deuteranopia

#51556F

Tritanopia

#61635F

Achromatopsia

#424242

CSS Usage

background-color: #643189;
color: #643189;
border-color: #643189;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F8F4FA
100
#EEE6F4
200
#DECAEC
300
#C6A5DF
400
#A874CD
500
#8943BC
600
#6E3696
700
#582B78
800
#45225E
900
#341C45
950
#21122C

Contrast Checker

Text on white

8.97:1

AA Pass AAA Pass

Text on black

2.34:1

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