#640C97

#640C97

Color Values

HEX

#640C97

RGB

100, 12, 151

HSL

278.0, 85.3%, 32.0%

HSV

278.0, 92.1%, 59.2%

CMYK

33.8%, 92.1%, 0.0%, 40.8%

OKLCH

0.3999 0.1965 307.1

Properties

Cool Dark Nearest: indigo

Color Harmonies

Complementary

#640C97

#3F970C

Analogous

#1F0C97

#970C85

#640C97

Triadic

#640C97

#97640C

#0C9764

Split Complementary

#640C97

#85970C

#0C971F

Tetradic

#640C97

#971F0C

#3F970C

#0C8597

Color Blindness Simulation

Original

#640C97

Protanopia

#3E3D75

Deuteranopia

#434A6D

Tritanopia

#605B55

Achromatopsia

#292929

CSS Usage

background-color: #640C97;
color: #640C97;
border-color: #640C97;
Nearest Tailwind: Purple 800 #6B21A8

Tailwind Shades

50
#F9F2FD
100
#F1E0FA
200
#E3BDFA
300
#D08EF6
400
#B650F1
500
#9D13EC
600
#7D0FBD
700
#640C97
800
#4E0976
900
#3A0B56
950
#250736

Contrast Checker

Text on white

10.29:1

AA Pass AAA Pass

Text on black

2.04:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026