#566689

#566689

Color Values

HEX

#566689

RGB

86, 102, 137

HSL

221.2, 22.9%, 43.7%

HSV

221.2, 37.2%, 53.7%

CMYK

37.2%, 25.5%, 0.0%, 46.3%

OKLCH

0.5113 0.0592 265.4

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#566689

#897956

Analogous

#567F89

#5F5689

#566689

Triadic

#566689

#895666

#668956

Split Complementary

#566689

#895F56

#7F8956

Tetradic

#566689

#89567F

#897956

#56895F

Color Blindness Simulation

Original

#566689

Protanopia

#5D5D81

Deuteranopia

#5C5B7E

Tritanopia

#577A78

Achromatopsia

#656565

CSS Usage

background-color: #566689;
color: #566689;
border-color: #566689;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAECF1
200
#D3D8E3
300
#B4BDD0
400
#8B99B6
500
#62759D
600
#4F5D7D
700
#3F4B64
800
#313A4E
900
#262D3A
950
#181C25

Contrast Checker

Text on white

5.74:1

AA Pass AAA Fail

Text on black

3.66:1

AA Fail 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