#516C83

#516C83

Color Values

HEX

#516C83

RGB

81, 108, 131

HSL

207.6, 23.6%, 41.6%

HSV

207.6, 38.2%, 51.4%

CMYK

38.2%, 17.6%, 0.0%, 48.6%

OKLCH

0.519 0.0484 244.6

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#516C83

#836851

Analogous

#518381

#515383

#516C83

Triadic

#516C83

#83516C

#6C8351

Split Complementary

#516C83

#835153

#838151

Tetradic

#516C83

#815183

#836851

#538351

Color Blindness Simulation

Original

#516C83

Protanopia

#5D5D7D

Deuteranopia

#5B597C

Tritanopia

#527978

Achromatopsia

#686868

CSS Usage

background-color: #516C83;
color: #516C83;
border-color: #516C83;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF1
200
#D3DCE4
300
#B3C3D0
400
#8AA2B7
500
#61829E
600
#4E687E
700
#3E5365
800
#31414F
900
#26313B
950
#181F25

Contrast Checker

Text on white

5.49:1

AA Pass AAA Fail

Text on black

3.82:1

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