#587381

#587381

Color Values

HEX

#587381

RGB

88, 115, 129

HSL

200.5, 18.9%, 42.5%

HSV

200.5, 31.8%, 50.6%

CMYK

31.8%, 10.9%, 0.0%, 49.4%

OKLCH

0.5395 0.0383 230.9

Properties

Cool Dark Nearest: lightskyblue 4

Color Harmonies

Complementary

#587381

#816658

Analogous

#58817A

#585E81

#587381

Triadic

#587381

#815873

#738158

Split Complementary

#587381

#81585E

#817A58

Tetradic

#587381

#7A5881

#816658

#5E8158

Color Blindness Simulation

Original

#587381

Protanopia

#64647E

Deuteranopia

#62607D

Tritanopia

#597B7A

Achromatopsia

#6E6E6E

CSS Usage

background-color: #587381;
color: #587381;
border-color: #587381;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#EAEEF0
200
#D5DDE2
300
#B6C5CD
400
#8FA6B2
500
#678798
600
#536C79
700
#425661
800
#34444C
900
#283339
950
#192024

Contrast Checker

Text on white

5.02:1

AA Pass AAA Fail

Text on black

4.18:1

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