#66537D

#66537D

Color Values

HEX

#66537D

RGB

102, 83, 125

HSL

267.1, 20.2%, 40.8%

HSV

267.1, 33.6%, 49.0%

CMYK

18.4%, 33.6%, 0.0%, 51.0%

OKLCH

0.4783 0.0697 304.6

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#66537D

#6A7D53

Analogous

#53557D

#7B537D

#66537D

Triadic

#66537D

#7D6653

#537D66

Split Complementary

#66537D

#7D7B53

#557D53

Tetradic

#66537D

#7D5355

#6A7D53

#537D7B

Color Blindness Simulation

Original

#66537D

Protanopia

#5E5E73

Deuteranopia

#5F6070

Tritanopia

#656B69

Achromatopsia

#5A5A5A

CSS Usage

background-color: #66537D;
color: #66537D;
border-color: #66537D;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F7F6F9
100
#EDEAF0
200
#DBD4E3
300
#C1B5CE
400
#9F8EB4
500
#7D6699
600
#64517B
700
#504162
800
#3F334D
900
#302839
950
#1E1924

Contrast Checker

Text on white

6.78:1

AA Pass AAA Fail

Text on black

3.1:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026