#688091

#688091

Color Values

HEX

#688091

RGB

104, 128, 145

HSL

204.9, 16.5%, 48.8%

HSV

204.9, 28.3%, 56.9%

CMYK

28.3%, 11.7%, 0.0%, 43.1%

OKLCH

0.5871 0.0382 239.1

Properties

Cool Light Nearest: lightskyblue 4

Color Harmonies

Complementary

#688091

#917968

Analogous

#68918D

#686B91

#688091

Triadic

#688091

#916880

#809168

Split Complementary

#688091

#91686B

#918D68

Tetradic

#688091

#8D6891

#917968

#6B9168

Color Blindness Simulation

Original

#688091

Protanopia

#72738D

Deuteranopia

#716F8C

Tritanopia

#698A89

Achromatopsia

#7C7C7C

CSS Usage

background-color: #688091;
color: #688091;
border-color: #688091;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F8
100
#EBEEF0
200
#D5DCE1
300
#B8C4CC
400
#91A3B0
500
#6A8395
600
#556977
700
#44545F
800
#35424A
900
#293238
950
#1A1F23

Contrast Checker

Text on white

4.13:1

AA Fail AAA Fail

Text on black

5.09:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026