#566463

#566463

Color Values

HEX

#566463

RGB

86, 100, 99

HSL

175.7, 7.5%, 36.5%

HSV

175.7, 14.0%, 39.2%

CMYK

14.0%, 0.0%, 1.0%, 60.8%

OKLCH

0.4911 0.0172 191.3

Properties

Cool Dark Nearest: RAL 7012 Basalt Grey

Color Harmonies

Complementary

#566463

#645657

Analogous

#56645C

#565E64

#566463

Triadic

#566463

#635664

#646356

Split Complementary

#566463

#64565E

#645C56

Tetradic

#566463

#5C5664

#645657

#5E6456

Color Blindness Simulation

Original

#566463

Protanopia

#5C5C63

Deuteranopia

#5B5A63

Tritanopia

#576363

Achromatopsia

#616161

CSS Usage

background-color: #566463;
color: #566463;
border-color: #566463;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F8
100
#ECEEEE
200
#D9DEDE
300
#BDC6C6
400
#9AA8A7
500
#768988
600
#5E6E6D
700
#4B5857
800
#3B4544
900
#2D3433
950
#1D2120

Contrast Checker

Text on white

6.18:1

AA Pass AAA Fail

Text on black

3.4:1

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