#643F94

#643F94

Color Values

HEX

#643F94

RGB

100, 63, 148

HSL

266,1, 40,3%, 41,4%

HSV

266,1, 57,4%, 58,0%

CMYK

32,4%, 57,4%, 0,0%, 42,0%

OKLCH

0,4525 0,1358 301,2

Properties

Cool Dark Nearest: Royal Purple

Color Harmonies

Complementary

#643F94

#6F943F

Analogous

#3F4594

#8F3F94

#643F94

Triadic

#643F94

#94643F

#3F9464

Split Complementary

#643F94

#948F3F

#45943F

Tetradic

#643F94

#943F45

#6F943F

#3F948F

Color Blindness Simulation

Original

#643F94

Protanopia

#54547F

Deuteranopia

#56597A

Tritanopia

#626F6C

Achromatopsia

#4D4D4D

CSS Usage

background-color: #643F94;
color: #643F94;
border-color: #643F94;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5FA
100
#ECE7F3
200
#D9CDEA
300
#BFA9DA
400
#9C7BC7
500
#794CB3
600
#613D8F
700
#4D3172
800
#3C2659
900
#2E1F42
950
#1D142A

Contrast Checker

Text on white

7,83:1

AA Pass AAA Pass

Text on black

2,68:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Oca 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Oca 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Oca 15, 2026