#66616E

#66616E

Color Values

HEX

#66616E

RGB

102, 97, 110

HSL

263.1, 6.3%, 40.6%

HSV

263.1, 11.8%, 43.1%

CMYK

7.3%, 11.8%, 0.0%, 56.9%

OKLCH

0.5018 0.0212 303.1

Properties

Cool Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#66616E

#696E61

Analogous

#61636E

#6D616E

#66616E

Triadic

#66616E

#6E6661

#616E66

Split Complementary

#66616E

#6E6D61

#636E61

Tetradic

#66616E

#6E6163

#696E61

#616E6D

Color Blindness Simulation

Original

#66616E

Protanopia

#64646B

Deuteranopia

#64646A

Tritanopia

#666868

Achromatopsia

#636363

CSS Usage

background-color: #66616E;
color: #66616E;
border-color: #66616E;
Nearest Tailwind: Zinc 500 #71717A

Tailwind Shades

50
#F7F7F8
100
#EDECEE
200
#DBD9DE
300
#C1BEC6
400
#9F9BA7
500
#7E7788
600
#65606C
700
#504C57
800
#3F3C44
900
#302E33
950
#1E1D20

Contrast Checker

Text on white

6.0:1

AA Pass AAA Fail

Text on black

3.5:1

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