#666FAD

#666FAD

Color Values

HEX

#666FAD

RGB

102, 111, 173

HSL

232.4, 30.2%, 53.9%

HSV

232.4, 41.0%, 67.8%

CMYK

41.0%, 35.8%, 0.0%, 32.2%

OKLCH

0.5609 0.0965 276.5

Properties

Cool Dark Nearest: RAL 4011 Pearl Violet

Color Harmonies

Complementary

#666FAD

#ADA466

Analogous

#6692AD

#8066AD

#666FAD

Triadic

#666FAD

#AD666F

#6FAD66

Split Complementary

#666FAD

#AD8066

#92AD66

Tetradic

#666FAD

#AD6692

#ADA466

#66AD80

Color Blindness Simulation

Original

#666FAD

Protanopia

#6A6A9E

Deuteranopia

#69699A

Tritanopia

#669290

Achromatopsia

#727272

CSS Usage

background-color: #666FAD;
color: #666FAD;
border-color: #666FAD;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F6F9
100
#E9EAF2
200
#D1D3E6
300
#AFB4D4
400
#848BBD
500
#5963A6
600
#474F85
700
#393F6A
800
#2C3153
900
#23273E
950
#161827

Contrast Checker

Text on white

4.73:1

AA Pass AAA Fail

Text on black

4.44:1

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