#566D87

#566D87

Color Values

HEX

#566D87

RGB

86, 109, 135

HSL

211.8, 22.2%, 43.3%

HSV

211.8, 36.3%, 52.9%

CMYK

36.3%, 19.3%, 0.0%, 47.1%

OKLCH

0.5265 0.0495 251.8

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#566D87

#877056

Analogous

#568587

#575687

#566D87

Triadic

#566D87

#87566D

#6D8756

Split Complementary

#566D87

#875756

#858756

Tetradic

#566D87

#875685

#877056

#568757

Color Blindness Simulation

Original

#566D87

Protanopia

#606081

Deuteranopia

#5F5D7F

Tritanopia

#577C7B

Achromatopsia

#6A6A6A

CSS Usage

background-color: #566D87;
color: #566D87;
border-color: #566D87;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF1
200
#D3DBE3
300
#B4C1CF
400
#8C9FB6
500
#637E9C
600
#4F657D
700
#3F5164
800
#323F4E
900
#27303A
950
#181E25

Contrast Checker

Text on white

5.34:1

AA Pass AAA Fail

Text on black

3.93:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026