#665D80

#665D80

Color Values

HEX

#665D80

RGB

102, 93, 128

HSL

255.4, 15.8%, 43.3%

HSV

255.4, 27.3%, 50.2%

CMYK

20.3%, 27.3%, 0.0%, 49.8%

OKLCH

0.5005 0.0559 296.1

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#665D80

#77805D

Analogous

#5D6580

#775D80

#665D80

Triadic

#665D80

#80665D

#5D8066

Split Complementary

#665D80

#80775D

#65805D

Tetradic

#665D80

#805D65

#77805D

#5D8077

Color Blindness Simulation

Original

#665D80

Protanopia

#626278

Deuteranopia

#636376

Tritanopia

#66716F

Achromatopsia

#616161

CSS Usage

background-color: #665D80;
color: #665D80;
border-color: #665D80;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F7F6F8
100
#ECEBF0
200
#D9D6E1
300
#BDB8CB
400
#9992B0
500
#766B94
600
#5E5676
700
#4B455E
800
#3B364A
900
#2D2A37
950
#1C1A23

Contrast Checker

Text on white

6.1:1

AA Pass AAA Fail

Text on black

3.44:1

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