#665B5F

#665B5F

Color Values

HEX

#665B5F

RGB

102, 91, 95

HSL

338.2, 5.7%, 37.8%

HSV

338.2, 10.8%, 40.0%

CMYK

0.0%, 10.8%, 6.9%, 60.0%

OKLCH

0.4831 0.0155 353.7

Properties

Warm Dark Nearest: NCS S 6000-N Medium Dark Grey

Color Harmonies

Complementary

#665B5F

#5B6662

Analogous

#665B64

#665C5B

#665B5F

Triadic

#665B5F

#5F665B

#5B5F66

Split Complementary

#665B5F

#5B665C

#5B6466

Tetradic

#665B5F

#64665B

#5B6662

#5C5B66

Color Blindness Simulation

Original

#665B5F

Protanopia

#61615E

Deuteranopia

#62635E

Tritanopia

#655D5D

Achromatopsia

#5E5E5E

CSS Usage

background-color: #665B5F;
color: #665B5F;
border-color: #665B5F;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F8F7F7
100
#EEECED
200
#DDD9DB
300
#C5BEC1
400
#A69B9F
500
#87787E
600
#6C6064
700
#564D50
800
#433C3F
900
#332E30
950
#201D1E

Contrast Checker

Text on white

6.51:1

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