#665C66

#665C66

Color Values

HEX

#665C66

RGB

102, 92, 102

HSL

300.0, 5.2%, 38.0%

HSV

300.0, 9.8%, 40.0%

CMYK

0.0%, 9.8%, 0.0%, 60.0%

OKLCH

0.4877 0.0201 325.9

Properties

Warm Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#665C66

#5C665C

Analogous

#615C66

#665C61

#665C66

Triadic

#665C66

#66665C

#5C6666

Split Complementary

#665C66

#61665C

#5C6661

Tetradic

#665C66

#66615C

#5C665C

#5C6166

Color Blindness Simulation

Original

#665C66

Protanopia

#626264

Deuteranopia

#626363

Tritanopia

#656261

Achromatopsia

#5F5F5F

CSS Usage

background-color: #665C66;
color: #665C66;
border-color: #665C66;
Nearest Tailwind: Zinc 600 #52525B

Tailwind Shades

50
#F8F7F8
100
#EEECEE
200
#DDD9DD
300
#C5BFC5
400
#A69CA6
500
#867986
600
#6B616B
700
#564D56
800
#433C43
900
#332E33
950
#201D20

Contrast Checker

Text on white

6.39:1

AA Pass AAA Fail

Text on black

3.29:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026