#66378F

#66378F

Color Values

HEX

#66378F

RGB

102, 55, 143

HSL

272.0, 44.4%, 38.8%

HSV

272.0, 61.5%, 56.1%

CMYK

28.7%, 61.5%, 0.0%, 43.9%

OKLCH

0.4388 0.1426 306.0

Properties

Cool Dark Nearest: rebeccapurple

Color Harmonies

Complementary

#66378F

#608F37

Analogous

#3A378F

#8F378C

#66378F

Triadic

#66378F

#8F6637

#378F66

Split Complementary

#66378F

#8C8F37

#378F3A

Tetradic

#66378F

#8F3A37

#608F37

#378C8F

Color Blindness Simulation

Original

#66378F

Protanopia

#52517A

Deuteranopia

#545875

Tritanopia

#646965

Achromatopsia

#474747

CSS Usage

background-color: #66378F;
color: #66378F;
border-color: #66378F;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F8F4FA
100
#EEE6F4
200
#DCCBEB
300
#C4A7DD
400
#A377CB
500
#8347B8
600
#693993
700
#542D76
800
#42235C
900
#321D44
950
#1F122B

Contrast Checker

Text on white

8.37:1

AA Pass AAA Pass

Text on black

2.51:1

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