#664D72

#664D72

Color Values

HEX

#664D72

RGB

102, 77, 114

HSL

280.5, 19.4%, 37.5%

HSV

280.5, 32.5%, 44.7%

CMYK

10.5%, 32.5%, 0.0%, 55.3%

OKLCH

0.4609 0.066 314.5

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#664D72

#59724D

Analogous

#544D72

#724D6C

#664D72

Triadic

#664D72

#72664D

#4D7266

Split Complementary

#664D72

#6C724D

#4D7254

Tetradic

#664D72

#72544D

#59724D

#4D6C72

Color Blindness Simulation

Original

#664D72

Protanopia

#5B5B69

Deuteranopia

#5D5E67

Tritanopia

#656260

Achromatopsia

#555555

CSS Usage

background-color: #664D72;
color: #664D72;
border-color: #664D72;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F8F6F9
100
#EEEAF0
200
#DED4E2
300
#C6B6CE
400
#A78EB3
500
#886798
600
#6D527A
700
#574261
800
#44334C
900
#332839
950
#201924

Contrast Checker

Text on white

7.32:1

AA Pass AAA Pass

Text on black

2.87:1

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