#665F71

#665F71

Color Values

HEX

#665F71

RGB

102, 95, 113

HSL

263.3, 8.7%, 40.8%

HSV

263.3, 15.9%, 44.3%

CMYK

9.7%, 15.9%, 0.0%, 55.7%

OKLCH

0.4985 0.0295 303.0

Properties

Cool Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#665F71

#6A715F

Analogous

#5F6171

#6F5F71

#665F71

Triadic

#665F71

#71665F

#5F7166

Split Complementary

#665F71

#716F5F

#61715F

Tetradic

#665F71

#715F61

#6A715F

#5F716F

Color Blindness Simulation

Original

#665F71

Protanopia

#63636D

Deuteranopia

#63646C

Tritanopia

#666968

Achromatopsia

#626262

CSS Usage

background-color: #665F71;
color: #665F71;
border-color: #665F71;
Nearest Tailwind: Zinc 600 #52525B

Tailwind Shades

50
#F7F7F8
100
#EDECEE
200
#DBD8DE
300
#C1BCC7
400
#9F98A9
500
#7D748B
600
#645D6F
700
#504B59
800
#3F3A45
900
#302D34
950
#1E1C21

Contrast Checker

Text on white

6.1:1

AA Pass AAA Fail

Text on black

3.44:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026