#566F95

#566F95

Color Values

HEX

#566F95

RGB

86, 111, 149

HSL

216.2, 26.8%, 46.1%

HSV

216.2, 42.3%, 58.4%

CMYK

42.3%, 25.5%, 0.0%, 41.6%

OKLCH

0.5375 0.0669 258.6

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#566F95

#957C56

Analogous

#568F95

#5D5695

#566F95

Triadic

#566F95

#95566F

#6F9556

Split Complementary

#566F95

#955D56

#8F9556

Tetradic

#566F95

#95568F

#957C56

#56955D

Color Blindness Simulation

Original

#566F95

Protanopia

#61618C

Deuteranopia

#5F5E8A

Tritanopia

#578583

Achromatopsia

#6C6C6C

CSS Usage

background-color: #566F95;
color: #566F95;
border-color: #566F95;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#E9ECF1
200
#D2D9E5
300
#B1BED2
400
#879BBA
500
#5D78A2
600
#4B6081
700
#3C4D67
800
#2F3C51
900
#252E3C
950
#171D26

Contrast Checker

Text on white

5.12:1

AA Pass AAA Fail

Text on black

4.1:1

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