#643787

#643787

Color Values

HEX

#643787

RGB

100, 55, 135

HSL

273.8, 42.1%, 37.3%

HSV

273.8, 59.3%, 52.9%

CMYK

25.9%, 59.3%, 0.0%, 47.1%

OKLCH

0.431 0.1324 307.7

Properties

Cool Dark Nearest: mediumorchid 4

Color Harmonies

Complementary

#643787

#5A8737

Analogous

#3C3787

#873782

#643787

Triadic

#643787

#876437

#378764

Split Complementary

#643787

#828737

#37873C

Tetradic

#643787

#873C37

#5A8737

#378287

Color Blindness Simulation

Original

#643787

Protanopia

#515074

Deuteranopia

#53566F

Tritanopia

#626461

Achromatopsia

#464646

CSS Usage

background-color: #643787;
color: #643787;
border-color: #643787;
Nearest Tailwind: Fuchsia 900 #701A75

Tailwind Shades

50
#F8F5FA
100
#EEE7F4
200
#DDCCEA
300
#C5A8DC
400
#A679C8
500
#864AB5
600
#6B3B91
700
#562F74
800
#43255B
900
#331E43
950
#20132A

Contrast Checker

Text on white

8.61:1

AA Pass AAA Pass

Text on black

2.44:1

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