#688DB9

#688DB9

Color Values

HEX

#688DB9

RGB

104, 141, 185

HSL

212.6, 36.7%, 56.7%

HSV

212.6, 43.8%, 72.5%

CMYK

43.8%, 23.8%, 0.0%, 27.5%

OKLCH

0.6333 0.0785 253.3

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#688DB9

#B99468

Analogous

#68B6B9

#6C68B9

#688DB9

Triadic

#688DB9

#B9688D

#8DB968

Split Complementary

#688DB9

#B96C68

#B6B968

Tetradic

#688DB9

#B968B6

#B99468

#68B96C

Color Blindness Simulation

Original

#688DB9

Protanopia

#7878AE

Deuteranopia

#7673AC

Tritanopia

#6AA6A4

Achromatopsia

#888888

CSS Usage

background-color: #688DB9;
color: #688DB9;
border-color: #688DB9;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7FA
100
#E8EDF3
200
#CEDAE8
300
#ABC0D8
400
#7E9EC3
500
#517BAE
600
#41638B
700
#344F70
800
#283E57
900
#202F40
950
#141E29

Contrast Checker

Text on white

3.44:1

AA Fail AAA Fail

Text on black

6.1:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026