#517DB0

#517DB0

Color Values

HEX

#517DB0

RGB

81, 125, 176

HSL

212.2, 37.5%, 50.4%

HSV

212.2, 54.0%, 69.0%

CMYK

54.0%, 29.0%, 0.0%, 31.0%

OKLCH

0.5798 0.0929 253.0

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#517DB0

#B08451

Analogous

#51ACB0

#5551B0

#517DB0

Triadic

#517DB0

#B0517D

#7DB051

Split Complementary

#517DB0

#B05551

#ACB051

Tetradic

#517DB0

#B051AC

#B08451

#51B055

Color Blindness Simulation

Original

#517DB0

Protanopia

#6464A4

Deuteranopia

#625EA1

Tritanopia

#539A98

Achromatopsia

#777777

CSS Usage

background-color: #517DB0;
color: #517DB0;
border-color: #517DB0;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CEDAE9
300
#ABC0D9
400
#7D9EC4
500
#507CAF
600
#40638C
700
#334F70
800
#283E58
900
#202F41
950
#141E29

Contrast Checker

Text on white

4.28:1

AA Fail AAA Fail

Text on black

4.91:1

AA Pass 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