#668CB8

#668CB8

Color Values

HEX

#668CB8

RGB

102, 140, 184

HSL

212,2, 36,6%, 56,1%

HSV

212,2, 44,6%, 72,2%

CMYK

44,6%, 23,9%, 0,0%, 27,8%

OKLCH

0,6294 0,0791 252,7

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#668CB8

#B89266

Analogous

#66B5B8

#6966B8

#668CB8

Triadic

#668CB8

#B8668C

#8CB866

Split Complementary

#668CB8

#B86966

#B5B866

Tetradic

#668CB8

#B866B5

#B89266

#66B869

Color Blindness Simulation

Original

#668CB8

Protanopia

#7677AD

Deuteranopia

#7471AB

Tritanopia

#68A5A3

Achromatopsia

#878787

CSS Usage

background-color: #668CB8;
color: #668CB8;
border-color: #668CB8;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7FA
100
#E8EDF3
200
#CEDAE8
300
#ABC0D8
400
#7E9EC3
500
#517CAE
600
#41638B
700
#344F6F
800
#283E57
900
#202F40
950
#151E29

Contrast Checker

Text on white

3,5:1

AA Fail AAA Fail

Text on black

6,01:1

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