#643387

#643387

Color Values

HEX

#643387

RGB

100, 51, 135

HSL

275.0, 45.2%, 36.5%

HSV

275.0, 62.2%, 52.9%

CMYK

25.9%, 62.2%, 0.0%, 47.1%

OKLCH

0.425 0.1388 308.5

Properties

Cool Dark Nearest: mediumorchid 4

Color Harmonies

Complementary

#643387

#568733

Analogous

#3A3387

#873380

#643387

Triadic

#643387

#876433

#338764

Split Complementary

#643387

#808733

#33873A

Tetradic

#643387

#873A33

#568733

#338087

Color Blindness Simulation

Original

#643387

Protanopia

#4F4E73

Deuteranopia

#52556E

Tritanopia

#62635F

Achromatopsia

#434343

CSS Usage

background-color: #643387;
color: #643387;
border-color: #643387;
Nearest Tailwind: Fuchsia 900 #701A75

Tailwind Shades

50
#F8F4FA
100
#EEE6F4
200
#DECBEB
300
#C6A6DD
400
#A876CB
500
#8946B9
600
#6E3894
700
#582D76
800
#45235D
900
#341D44
950
#21122B

Contrast Checker

Text on white

8.88:1

AA Pass AAA Pass

Text on black

2.37:1

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