#664591

#664591

Color Values

HEX

#664591

RGB

102, 69, 145

HSL

266.1, 35.5%, 42.0%

HSV

266.1, 52.4%, 56.9%

CMYK

29.7%, 52.4%, 0.0%, 43.1%

OKLCH

0.4629 0.1225 301.9

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#664591

#709145

Analogous

#454A91

#8C4591

#664591

Triadic

#664591

#916645

#459166

Split Complementary

#664591

#918C45

#4A9145

Tetradic

#664591

#91454A

#709145

#45918C

Color Blindness Simulation

Original

#664591

Protanopia

#58577F

Deuteranopia

#5A5C7A

Tritanopia

#64706D

Achromatopsia

#525252

CSS Usage

background-color: #664591;
color: #664591;
border-color: #664591;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5FA
100
#ECE8F3
200
#DACFE8
300
#BFACD8
400
#9C7FC2
500
#7A52AD
600
#61428A
700
#4E356F
800
#3D2956
900
#2E2140
950
#1D1528

Contrast Checker

Text on white

7.43:1

AA Pass AAA Pass

Text on black

2.83:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026