#665B61

#665B61

Color Values

HEX

#665B61

RGB

102, 91, 97

HSL

327.3, 5.7%, 37.8%

HSV

327.3, 10.8%, 40.0%

CMYK

0.0%, 10.8%, 4.9%, 60.0%

OKLCH

0.4837 0.0169 343.7

Properties

Warm Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#665B61

#5B6660

Analogous

#655B66

#665B5B

#665B61

Triadic

#665B61

#61665B

#5B6166

Split Complementary

#665B61

#5B665B

#5B6665

Tetradic

#665B61

#66655B

#5B6660

#5B5B66

Color Blindness Simulation

Original

#665B61

Protanopia

#616160

Deuteranopia

#62635F

Tritanopia

#655E5E

Achromatopsia

#5E5E5E

CSS Usage

background-color: #665B61;
color: #665B61;
border-color: #665B61;
Nearest Tailwind: Zinc 600 #52525B

Tailwind Shades

50
#F8F7F7
100
#EEECED
200
#DDD9DB
300
#C5BEC2
400
#A69BA1
500
#877880
600
#6C6067
700
#564D52
800
#433C40
900
#332E31
950
#201D1F

Contrast Checker

Text on white

6.49:1

AA Pass AAA Fail

Text on black

3.23:1

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