#666C76

#666C76

Color Values

HEX

#666C76

RGB

102, 108, 118

HSL

217.5, 7.3%, 43.1%

HSV

217.5, 13.6%, 46.3%

CMYK

13.6%, 8.5%, 0.0%, 53.7%

OKLCH

0.5296 0.0173 260.7

Properties

Cool Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#666C76

#767066

Analogous

#667476

#686676

#666C76

Triadic

#666C76

#76666C

#6C7666

Split Complementary

#666C76

#766866

#747666

Tetradic

#666C76

#766674

#767066

#667668

Color Blindness Simulation

Original

#666C76

Protanopia

#696974

Deuteranopia

#686873

Tritanopia

#667271

Achromatopsia

#6B6B6B

CSS Usage

background-color: #666C76;
color: #666C76;
border-color: #666C76;
Nearest Tailwind: Gray 500 #6B7280

Tailwind Shades

50
#F7F7F8
100
#ECEDEE
200
#D9DBDE
300
#BDC1C6
400
#9A9FA8
500
#767D89
600
#5F646D
700
#4C5058
800
#3B3F44
900
#2D3034
950
#1D1E21

Contrast Checker

Text on white

5.29:1

AA Pass AAA Fail

Text on black

3.97:1

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