#56587B

#56587B

Color Values

HEX

#56587B

RGB

86, 88, 123

HSL

236.8, 17.7%, 41.0%

HSV

236.8, 30.1%, 48.2%

CMYK

30.1%, 28.5%, 0.0%, 51.8%

OKLCH

0.473 0.0564 281.5

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#56587B

#7B7956

Analogous

#566B7B

#67567B

#56587B

Triadic

#56587B

#7B5658

#587B56

Split Complementary

#56587B

#7B6756

#6B7B56

Tetradic

#56587B

#7B566B

#7B7956

#567B67

Color Blindness Simulation

Original

#56587B

Protanopia

#575773

Deuteranopia

#575770

Tritanopia

#566C6A

Achromatopsia

#5A5A5A

CSS Usage

background-color: #56587B;
color: #56587B;
border-color: #56587B;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F6F9
100
#EAEBF0
200
#D5D6E2
300
#B7B8CD
400
#9092B1
500
#696B96
600
#545678
700
#434560
800
#34364B
900
#292A38
950
#1A1A23

Contrast Checker

Text on white

6.82:1

AA Pass AAA Fail

Text on black

3.08:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026