#566F7F

#566F7F

Color Values

HEX

#566F7F

RGB

86, 111, 127

HSL

203.4, 19.2%, 41.8%

HSV

203.4, 32.3%, 49.8%

CMYK

32.3%, 12.6%, 0.0%, 50.2%

OKLCH

0.5279 0.0388 236.6

Properties

Cool Dark Nearest: lightskyblue 4

Color Harmonies

Complementary

#566F7F

#7F6656

Analogous

#567F7B

#565B7F

#566F7F

Triadic

#566F7F

#7F566F

#6F7F56

Split Complementary

#566F7F

#7F565B

#7F7B56

Tetradic

#566F7F

#7B567F

#7F6656

#5B7F56

Color Blindness Simulation

Original

#566F7F

Protanopia

#61617B

Deuteranopia

#5F5E7A

Tritanopia

#577877

Achromatopsia

#6B6B6B

CSS Usage

background-color: #566F7F;
color: #566F7F;
border-color: #566F7F;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#EAEEF0
200
#D4DDE2
300
#B6C4CE
400
#8FA5B3
500
#678598
600
#526A7A
700
#425561
800
#34424C
900
#283239
950
#192024

Contrast Checker

Text on white

5.28:1

AA Pass AAA Fail

Text on black

3.98:1

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