#566564

#566564

Color Values

HEX

#566564

RGB

86, 101, 100

HSL

176.0, 8.0%, 36.7%

HSV

176.0, 14.9%, 39.6%

CMYK

14.9%, 0.0%, 1.0%, 60.4%

OKLCH

0.4938 0.0184 191.6

Properties

Cool Dark Nearest: RAL 7005 Mouse Grey

Color Harmonies

Complementary

#566564

#655657

Analogous

#56655D

#565F65

#566564

Triadic

#566564

#645665

#656456

Split Complementary

#566564

#65565F

#655D56

Tetradic

#566564

#5D5665

#655657

#5F6556

Color Blindness Simulation

Original

#566564

Protanopia

#5C5D64

Deuteranopia

#5C5A64

Tritanopia

#576464

Achromatopsia

#626262

CSS Usage

background-color: #566564;
color: #566564;
border-color: #566564;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F8
100
#ECEEEE
200
#D8DEDE
300
#BDC7C6
400
#99A8A7
500
#758A88
600
#5E6E6D
700
#4B5857
800
#3B4544
900
#2D3433
950
#1C2121

Contrast Checker

Text on white

6.1:1

AA Pass AAA Fail

Text on black

3.44:1

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