#643E7B

#643E7B

Color Values

HEX

#643E7B

RGB

100, 62, 123

HSL

277.4, 33.0%, 36.3%

HSV

277.4, 49.6%, 48.2%

CMYK

18.7%, 49.6%, 0.0%, 51.8%

OKLCH

0.4351 0.1054 311.5

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#643E7B

#557B3E

Analogous

#463E7B

#7B3E74

#643E7B

Triadic

#643E7B

#7B643E

#3E7B64

Split Complementary

#643E7B

#747B3E

#3E7B46

Tetradic

#643E7B

#7B463E

#557B3E

#3E747B

Color Blindness Simulation

Original

#643E7B

Protanopia

#54536C

Deuteranopia

#565969

Tritanopia

#62615E

Achromatopsia

#4A4A4A

CSS Usage

background-color: #643E7B;
color: #643E7B;
border-color: #643E7B;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F8F5F9
100
#EEE8F2
200
#DED0E7
300
#C7AED6
400
#A882C0
500
#8A55AA
600
#6E4488
700
#58376D
800
#452B55
900
#34223F
950
#211628

Contrast Checker

Text on white

8.34:1

AA Pass AAA Pass

Text on black

2.52:1

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