#663D86

#663D86

Color Values

HEX

#663D86

RGB

102, 61, 134

HSL

273.7, 37.4%, 38.2%

HSV

273.7, 54.5%, 52.5%

CMYK

23.9%, 54.5%, 0.0%, 47.5%

OKLCH

0.4424 0.1218 308.1

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#663D86

#5D863D

Analogous

#413D86

#863D81

#663D86

Triadic

#663D86

#86663D

#3D8666

Split Complementary

#663D86

#81863D

#3D8641

Tetradic

#663D86

#86413D

#5D863D

#3D8186

Color Blindness Simulation

Original

#663D86

Protanopia

#545474

Deuteranopia

#575A70

Tritanopia

#646663

Achromatopsia

#4B4B4B

CSS Usage

background-color: #663D86;
color: #663D86;
border-color: #663D86;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F8F5FA
100
#EEE7F3
200
#DDCEE9
300
#C5ABD9
400
#A57DC4
500
#8550AF
600
#6B408C
700
#553370
800
#432858
900
#322041
950
#201429

Contrast Checker

Text on white

8.15:1

AA Pass AAA Pass

Text on black

2.58:1

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