#663C9F

#663C9F

Color Values

HEX

#663C9F

RGB

102, 60, 159

HSL

265.5, 45.2%, 42.9%

HSV

265.5, 62.3%, 62.4%

CMYK

35.8%, 62.3%, 0.0%, 37.6%

OKLCH

0.4577 0.1545 299.8

Properties

Cool Dark Nearest: rebeccapurple

Color Harmonies

Complementary

#663C9F

#759F3C

Analogous

#3C439F

#973C9F

#663C9F

Triadic

#663C9F

#9F663C

#3C9F66

Split Complementary

#663C9F

#9F973C

#439F3C

Tetradic

#663C9F

#9F3C43

#759F3C

#3C9F97

Color Blindness Simulation

Original

#663C9F

Protanopia

#545387

Deuteranopia

#565981

Tritanopia

#647470

Achromatopsia

#4C4C4C

CSS Usage

background-color: #663C9F;
color: #663C9F;
border-color: #663C9F;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F7F4FA
100
#ECE6F4
200
#D9CBEB
300
#BEA6DD
400
#9A76CB
500
#7746B9
600
#5F3894
700
#4C2D76
800
#3B235D
900
#2D1D44
950
#1D122B

Contrast Checker

Text on white

7.74:1

AA Pass AAA Pass

Text on black

2.71:1

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