#516D8C

#516D8C

Color Values

HEX

#516D8C

RGB

81, 109, 140

HSL

211.5, 26.7%, 43.3%

HSV

211.5, 42.1%, 54.9%

CMYK

42.1%, 22.1%, 0.0%, 45.1%

OKLCH

0.5254 0.0592 251.5

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#516D8C

#8C7051

Analogous

#518A8C

#52518C

#516D8C

Triadic

#516D8C

#8C516D

#6D8C51

Split Complementary

#516D8C

#8C5251

#8A8C51

Tetradic

#516D8C

#8C518A

#8C7051

#518C52

Color Blindness Simulation

Original

#516D8C

Protanopia

#5D5D85

Deuteranopia

#5C5983

Tritanopia

#527F7D

Achromatopsia

#696969

CSS Usage

background-color: #516D8C;
color: #516D8C;
border-color: #516D8C;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DBE5
300
#B1C1D2
400
#879FBA
500
#5D7EA2
600
#4B6581
700
#3C5167
800
#2F3F51
900
#25303C
950
#171E26

Contrast Checker

Text on white

5.36:1

AA Pass AAA Fail

Text on black

3.92:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026