#516584

#516584

Color Values

HEX

#516584

RGB

81, 101, 132

HSL

216.5, 23.9%, 41.8%

HSV

216.5, 38.6%, 51.8%

CMYK

38.6%, 23.5%, 0.0%, 48.2%

OKLCH

0.503 0.0554 259.0

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#516584

#847051

Analogous

#517F84

#575184

#516584

Triadic

#516584

#845165

#658451

Split Complementary

#516584

#845751

#7F8451

Tetradic

#516584

#84517F

#847051

#518457

Color Blindness Simulation

Original

#516584

Protanopia

#5A5A7D

Deuteranopia

#58577B

Tritanopia

#527775

Achromatopsia

#636363

CSS Usage

background-color: #516584;
color: #516584;
border-color: #516584;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAECF1
200
#D3D9E4
300
#B3BFD0
400
#8A9CB7
500
#61799E
600
#4E617E
700
#3E4D65
800
#313C4F
900
#262E3B
950
#181D25

Contrast Checker

Text on white

5.92:1

AA Pass AAA Fail

Text on black

3.54:1

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