#566487

#566487

Color Values

HEX

#566487

RGB

86, 100, 135

HSL

222.9, 22.2%, 43.3%

HSV

222.9, 36.3%, 52.9%

CMYK

36.3%, 25.9%, 0.0%, 47.1%

OKLCH

0.5058 0.0586 267.5

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#566487

#877956

Analogous

#567C87

#605687

#566487

Triadic

#566487

#875664

#648756

Split Complementary

#566487

#876056

#7C8756

Tetradic

#566487

#87567C

#877956

#568760

Color Blindness Simulation

Original

#566487

Protanopia

#5C5C7F

Deuteranopia

#5B5A7C

Tritanopia

#577876

Achromatopsia

#646464

CSS Usage

background-color: #566487;
color: #566487;
border-color: #566487;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAECF1
200
#D3D8E3
300
#B4BCCF
400
#8C98B6
500
#63739C
600
#4F5C7D
700
#3F4A64
800
#323A4E
900
#272C3A
950
#181C25

Contrast Checker

Text on white

5.88:1

AA Pass AAA Fail

Text on black

3.57:1

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