#666B94

#666B94

Color Values

HEX

#666B94

RGB

102, 107, 148

HSL

233.5, 18.4%, 49.0%

HSV

233.5, 31.1%, 58.0%

CMYK

31.1%, 27.7%, 0.0%, 42.0%

OKLCH

0.5399 0.0644 278.6

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#666B94

#948F66

Analogous

#668294

#786694

#666B94

Triadic

#666B94

#94666B

#6B9466

Split Complementary

#666B94

#947866

#829466

Tetradic

#666B94

#946682

#948F66

#669478

Color Blindness Simulation

Original

#666B94

Protanopia

#68688A

Deuteranopia

#686888

Tritanopia

#668281

Achromatopsia

#6D6D6D

CSS Usage

background-color: #666B94;
color: #666B94;
border-color: #666B94;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F6F9
100
#EAEBF0
200
#D5D6E2
300
#B7B9CD
400
#8F93B2
500
#686D97
600
#535779
700
#434661
800
#34374B
900
#282A38
950
#1A1B24

Contrast Checker

Text on white

5.13:1

AA Pass AAA Fail

Text on black

4.1:1

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