#643C6A

#643C6A

Color Values

HEX

#643C6A

RGB

100, 60, 106

HSL

292.2, 27.7%, 32.5%

HSV

292.2, 43.4%, 41.6%

CMYK

5.7%, 43.4%, 0.0%, 58.4%

OKLCH

0.4223 0.0883 322.2

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#643C6A

#426A3C

Analogous

#4D3C6A

#6A3C59

#643C6A

Triadic

#643C6A

#6A643C

#3C6A64

Split Complementary

#643C6A

#596A3C

#3C6A4D

Tetradic

#643C6A

#6A4D3C

#426A3C

#3C596A

Color Blindness Simulation

Original

#643C6A

Protanopia

#53525F

Deuteranopia

#55585C

Tritanopia

#625654

Achromatopsia

#484848

CSS Usage

background-color: #643C6A;
color: #643C6A;
border-color: #643C6A;
Nearest Tailwind: Fuchsia 950 #4A044E

Tailwind Shades

50
#F9F6F9
100
#F0E9F1
200
#E3D1E5
300
#CEB1D3
400
#B487BB
500
#9A5CA3
600
#7B4A82
700
#623B68
800
#4D2E51
900
#39243D
950
#241726

Contrast Checker

Text on white

8.76:1

AA Pass AAA Pass

Text on black

2.4:1

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