#66689C

#66689C

Color Values

HEX

#66689C

RGB

102, 104, 156

HSL

237.8, 21.4%, 50.6%

HSV

237.8, 34.6%, 61.2%

CMYK

34.6%, 33.3%, 0.0%, 38.8%

OKLCH

0.5374 0.081 281.6

Properties

Cool Dark Nearest: RAL 4011 Pearl Violet

Color Harmonies

Complementary

#66689C

#9C9A66

Analogous

#66839C

#7F669C

#66689C

Triadic

#66689C

#9C6668

#689C66

Split Complementary

#66689C

#9C7F66

#839C66

Tetradic

#66689C

#9C6683

#9C9A66

#669C7F

Color Blindness Simulation

Original

#66689C

Protanopia

#67678F

Deuteranopia

#67678C

Tritanopia

#668583

Achromatopsia

#6B6B6B

CSS Usage

background-color: #66689C;
color: #66689C;
border-color: #66689C;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F6F6F9
100
#EAEAF0
200
#D4D4E3
300
#B5B6CF
400
#8C8EB5
500
#64669B
600
#50527C
700
#404163
800
#32334D
900
#27283A
950
#191924

Contrast Checker

Text on white

5.22:1

AA Pass AAA Fail

Text on black

4.03:1

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