#516C84

#516C84

Color Values

HEX

#516C84

RGB

81, 108, 132

HSL

208.2, 23.9%, 41.8%

HSV

208.2, 38.6%, 51.8%

CMYK

38.6%, 18.2%, 0.0%, 48.2%

OKLCH

0.5195 0.0497 245.8

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#516C84

#846951

Analogous

#518483

#515384

#516C84

Triadic

#516C84

#84516C

#6C8451

Split Complementary

#516C84

#845153

#848351

Tetradic

#516C84

#835184

#846951

#538451

Color Blindness Simulation

Original

#516C84

Protanopia

#5D5D7E

Deuteranopia

#5B597D

Tritanopia

#527A79

Achromatopsia

#686868

CSS Usage

background-color: #516C84;
color: #516C84;
border-color: #516C84;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF1
200
#D3DCE4
300
#B3C3D0
400
#8AA2B7
500
#61819E
600
#4E677E
700
#3E5365
800
#31414F
900
#26313B
950
#181F25

Contrast Checker

Text on white

5.49:1

AA Pass AAA Fail

Text on black

3.83:1

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