#664689

#664689

Color Values

HEX

#664689

RGB

102, 70, 137

HSL

268.7, 32.4%, 40.6%

HSV

268.7, 48.9%, 53.7%

CMYK

25.5%, 48.9%, 0.0%, 46.3%

OKLCH

0.4598 0.1101 304.5

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#664689

#698946

Analogous

#464789

#884689

#664689

Triadic

#664689

#896646

#468966

Split Complementary

#664689

#898846

#478946

Tetradic

#664689

#894647

#698946

#468988

Color Blindness Simulation

Original

#664689

Protanopia

#585879

Deuteranopia

#5A5C75

Tritanopia

#646C69

Achromatopsia

#525252

CSS Usage

background-color: #664689;
color: #664689;
border-color: #664689;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5F9
100
#EDE8F2
200
#DBD0E7
300
#C1AED6
400
#9F82BF
500
#7E56A9
600
#654587
700
#50376C
800
#3F2B54
900
#30223F
950
#1E1628

Contrast Checker

Text on white

7.49:1

AA Pass AAA Pass

Text on black

2.8:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026