#643D74

#643D74

Color Values

HEX

#643D74

RGB

100, 61, 116

HSL

282.5, 31.1%, 34.7%

HSV

282.5, 47.4%, 45.5%

CMYK

13.8%, 47.4%, 0.0%, 54.5%

OKLCH

0.4294 0.0985 315.5

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#643D74

#4D743D

Analogous

#483D74

#743D69

#643D74

Triadic

#643D74

#74643D

#3D7464

Split Complementary

#643D74

#69743D

#3D7448

Tetradic

#643D74

#74483D

#4D743D

#3D6974

Color Blindness Simulation

Original

#643D74

Protanopia

#535367

Deuteranopia

#555863

Tritanopia

#625C5A

Achromatopsia

#494949

CSS Usage

background-color: #643D74;
color: #643D74;
border-color: #643D74;
Nearest Tailwind: Fuchsia 950 #4A044E

Tailwind Shades

50
#F8F5F9
100
#EFE8F2
200
#E0D0E6
300
#CAAFD5
400
#AD83BE
500
#9058A7
600
#734686
700
#5C386B
800
#482C54
900
#36233E
950
#221627

Contrast Checker

Text on white

8.53:1

AA Pass AAA Pass

Text on black

2.46:1

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