#566F91

#566F91

Color Values

HEX

#566F91

RGB

86, 111, 145

HSL

214.6, 25.5%, 45.3%

HSV

214.6, 40.7%, 56.9%

CMYK

40.7%, 23.4%, 0.0%, 43.1%

OKLCH

0.5356 0.0614 256.2

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#566F91

#917856

Analogous

#568C91

#5B5691

#566F91

Triadic

#566F91

#91566F

#6F9156

Split Complementary

#566F91

#915B56

#8C9156

Tetradic

#566F91

#91568C

#917856

#56915B

Color Blindness Simulation

Original

#566F91

Protanopia

#616189

Deuteranopia

#5F5E87

Tritanopia

#578281

Achromatopsia

#6C6C6C

CSS Usage

background-color: #566F91;
color: #566F91;
border-color: #566F91;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DAE4
300
#B2BFD1
400
#899DB9
500
#5F7BA0
600
#4C6280
700
#3D4E66
800
#2F3D50
900
#252F3C
950
#181E26

Contrast Checker

Text on white

5.15:1

AA Pass AAA Fail

Text on black

4.08:1

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