#66689D

#66689D

Color Values

HEX

#66689D

RGB

102, 104, 157

HSL

237.8, 21.9%, 50.8%

HSV

237.8, 35.0%, 61.6%

CMYK

35.0%, 33.8%, 0.0%, 38.4%

OKLCH

0.5379 0.0825 281.6

Properties

Cool Dark Nearest: RAL 4011 Pearl Violet

Color Harmonies

Complementary

#66689D

#9D9B66

Analogous

#66849D

#80669D

#66689D

Triadic

#66689D

#9D6668

#689D66

Split Complementary

#66689D

#9D8066

#849D66

Tetradic

#66689D

#9D6684

#9D9B66

#669D80

Color Blindness Simulation

Original

#66689D

Protanopia

#676790

Deuteranopia

#67678D

Tritanopia

#668684

Achromatopsia

#6B6B6B

CSS Usage

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

Tailwind Shades

50
#F6F6F9
100
#EAEAF0
200
#D3D4E3
300
#B4B5CF
400
#8C8EB5
500
#64669B
600
#50517C
700
#404163
800
#32334E
900
#27283A
950
#191925

Contrast Checker

Text on white

5.21:1

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