#688AA8

#688AA8

Color Values

HEX

#688AA8

RGB

104, 138, 168

HSL

208.1, 26.9%, 53.3%

HSV

208.1, 38.1%, 65.9%

CMYK

38.1%, 17.9%, 0.0%, 34.1%

OKLCH

0.6192 0.0596 245.6

Properties

Cool Light Nearest: lightslategrey

Color Harmonies

Complementary

#688AA8

#A88668

Analogous

#68A8A6

#686AA8

#688AA8

Triadic

#688AA8

#A8688A

#8AA868

Split Complementary

#688AA8

#A8686A

#A8A668

Tetradic

#688AA8

#A668A8

#A88668

#6AA868

Color Blindness Simulation

Original

#688AA8

Protanopia

#7777A1

Deuteranopia

#75729F

Tritanopia

#6A9B9A

Achromatopsia

#858585

CSS Usage

background-color: #688AA8;
color: #688AA8;
border-color: #688AA8;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DCE5
300
#B1C3D2
400
#87A2BA
500
#5D82A2
600
#4B6881
700
#3C5368
800
#2F4151
900
#25313C
950
#171F26

Contrast Checker

Text on white

3.63:1

AA Fail AAA Fail

Text on black

5.79:1

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