#566F85

#566F85

Color Values

HEX

#566F85

RGB

86, 111, 133

HSL

208.1, 21.5%, 42.9%

HSV

208.1, 35.3%, 52.2%

CMYK

35.3%, 16.5%, 0.0%, 47.8%

OKLCH

0.5303 0.0456 245.4

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#566F85

#856C56

Analogous

#568583

#565785

#566F85

Triadic

#566F85

#85566F

#6F8556

Split Complementary

#566F85

#855657

#858356

Tetradic

#566F85

#835685

#856C56

#578556

Color Blindness Simulation

Original

#566F85

Protanopia

#616180

Deuteranopia

#5F5E7E

Tritanopia

#577B7B

Achromatopsia

#6B6B6B

CSS Usage

background-color: #566F85;
color: #566F85;
border-color: #566F85;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF0
200
#D4DCE3
300
#B5C3CF
400
#8CA2B5
500
#64819B
600
#50677C
700
#405363
800
#32414D
900
#27313A
950
#191F25

Contrast Checker

Text on white

5.24:1

AA Pass AAA Fail

Text on black

4.01:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026