#668491

#668491

Color Values

HEX

#668491

RGB

102, 132, 145

HSL

198,1, 17,4%, 48,4%

HSV

198,1, 29,7%, 56,9%

CMYK

29,7%, 9,0%, 0,0%, 43,1%

OKLCH

0,595 0,0395 226,3

Properties

Cool Light Nearest: lightblue 4

Color Harmonies

Complementary

#668491

#917366

Analogous

#669188

#666E91

#668491

Triadic

#668491

#916684

#849166

Split Complementary

#668491

#91666E

#918866

Tetradic

#668491

#886691

#917366

#6E9166

Color Blindness Simulation

Original

#668491

Protanopia

#73738E

Deuteranopia

#716F8D

Tritanopia

#678B8B

Achromatopsia

#7F7F7F

CSS Usage

background-color: #668491;
color: #668491;
border-color: #668491;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F8
100
#EBEEF0
200
#D5DEE2
300
#B7C6CC
400
#90A7B1
500
#698896
600
#546D78
700
#435760
800
#35444B
900
#293338
950
#1A2123

Contrast Checker

Text on white

3,98:1

AA Fail AAA Fail

Text on black

5,27:1

AA Pass 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