#643890

#643890

Color Values

HEX

#643890

RGB

100, 56, 144

HSL

270.0, 44.0%, 39.2%

HSV

270.0, 61.1%, 56.5%

CMYK

30.6%, 61.1%, 0.0%, 43.5%

OKLCH

0.4387 0.1418 304.2

Properties

Cool Dark Nearest: rebeccapurple

Color Harmonies

Complementary

#643890

#649038

Analogous

#383890

#903890

#643890

Triadic

#643890

#906438

#389064

Split Complementary

#643890

#909038

#389038

Tetradic

#643890

#903838

#649038

#389090

Color Blindness Simulation

Original

#643890

Protanopia

#51517B

Deuteranopia

#545776

Tritanopia

#626A66

Achromatopsia

#484848

CSS Usage

background-color: #643890;
color: #643890;
border-color: #643890;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F7F4FA
100
#EDE6F4
200
#DBCCEB
300
#C2A7DD
400
#A177CA
500
#8047B8
600
#663993
700
#522E76
800
#40245C
900
#301D44
950
#1F122B

Contrast Checker

Text on white

8.37:1

AA Pass AAA Pass

Text on black

2.51:1

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