#643C71

#643C71

Color Values

HEX

#643C71

RGB

100, 60, 113

HSL

285.3, 30.6%, 33.9%

HSV

285.3, 46.9%, 44.3%

CMYK

11.5%, 46.9%, 0.0%, 55.7%

OKLCH

0.426 0.0967 317.5

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#643C71

#49713C

Analogous

#493C71

#713C63

#643C71

Triadic

#643C71

#71643C

#3C7164

Split Complementary

#643C71

#63713C

#3C7149

Tetradic

#643C71

#71493C

#49713C

#3C6371

Color Blindness Simulation

Original

#643C71

Protanopia

#535264

Deuteranopia

#555861

Tritanopia

#625A58

Achromatopsia

#484848

CSS Usage

background-color: #643C71;
color: #643C71;
border-color: #643C71;
Nearest Tailwind: Fuchsia 950 #4A044E

Tailwind Shades

50
#F8F5F9
100
#F0E9F2
200
#E1D0E6
300
#CBAFD5
400
#AF84BE
500
#9358A7
600
#764785
700
#5E396B
800
#4A2C53
900
#37233E
950
#231627

Contrast Checker

Text on white

8.65:1

AA Pass AAA Pass

Text on black

2.43:1

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