#688CB1

#688CB1

Color Values

HEX

#688CB1

RGB

104, 140, 177

HSL

210.4, 31.9%, 55.1%

HSV

210.4, 41.2%, 69.4%

CMYK

41.2%, 20.9%, 0.0%, 30.6%

OKLCH

0.6275 0.0692 249.7

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#688CB1

#B18D68

Analogous

#68B1B1

#6868B1

#688CB1

Triadic

#688CB1

#B1688C

#8CB168

Split Complementary

#688CB1

#B16868

#B1B168

Tetradic

#688CB1

#B168B1

#B18D68

#68B168

Color Blindness Simulation

Original

#688CB1

Protanopia

#7878A8

Deuteranopia

#7673A6

Tritanopia

#6AA19F

Achromatopsia

#878787

CSS Usage

background-color: #688CB1;
color: #688CB1;
border-color: #688CB1;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DBE7
300
#AEC2D5
400
#83A0BF
500
#577FA8
600
#456687
700
#38516C
800
#2B3F54
900
#23303E
950
#161E27

Contrast Checker

Text on white

3.51:1

AA Fail AAA Fail

Text on black

5.97:1

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