#516C80

#516C80

Color Values

HEX

#516C80

RGB

81, 108, 128

HSL

205.5, 22.5%, 41.0%

HSV

205.5, 36.7%, 50.2%

CMYK

36.7%, 15.6%, 0.0%, 49.8%

OKLCH

0.5177 0.0449 240.8

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#516C80

#806551

Analogous

#51807D

#515580

#516C80

Triadic

#516C80

#80516C

#6C8051

Split Complementary

#516C80

#805155

#807D51

Tetradic

#516C80

#7D5180

#806551

#558051

Color Blindness Simulation

Original

#516C80

Protanopia

#5D5D7B

Deuteranopia

#5B597A

Tritanopia

#527776

Achromatopsia

#686868

CSS Usage

background-color: #516C80;
color: #516C80;
border-color: #516C80;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#EAEEF1
200
#D3DDE3
300
#B4C4D0
400
#8BA4B6
500
#63849C
600
#4F697D
700
#3F5464
800
#31424E
900
#27323A
950
#182025

Contrast Checker

Text on white

5.52:1

AA Pass AAA Fail

Text on black

3.81:1

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