#665B68

#665B68

Color Values

HEX

#665B68

RGB

102, 91, 104

HSL

290.8, 6.7%, 38.2%

HSV

290.8, 12.5%, 40.8%

CMYK

1.9%, 12.5%, 0.0%, 59.2%

OKLCH

0.4862 0.0246 321.0

Properties

Cool Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#665B68

#5D685B

Analogous

#5F5B68

#685B63

#665B68

Triadic

#665B68

#68665B

#5B6866

Split Complementary

#665B68

#63685B

#5B685F

Tetradic

#665B68

#685F5B

#5D685B

#5B6368

Color Blindness Simulation

Original

#665B68

Protanopia

#616165

Deuteranopia

#626364

Tritanopia

#656262

Achromatopsia

#5E5E5E

CSS Usage

background-color: #665B68;
color: #665B68;
border-color: #665B68;
Nearest Tailwind: Zinc 600 #52525B

Tailwind Shades

50
#F8F7F8
100
#EEECEE
200
#DDD9DE
300
#C5BEC6
400
#A59AA7
500
#857788
600
#6B5F6D
700
#554C57
800
#433B44
900
#322E33
950
#201D20

Contrast Checker

Text on white

6.44:1

AA Pass AAA Fail

Text on black

3.26:1

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