#559CDF

#559CDF

Color Values

HEX

#559CDF

RGB

85, 156, 223

HSL

209.1, 68.3%, 60.4%

HSV

209.1, 61.9%, 87.5%

CMYK

61.9%, 30.0%, 0.0%, 12.5%

OKLCH

0.6754 0.123 248.9

Properties

Cool Light Nearest: steelblue 2

Color Harmonies

Complementary

#559CDF

#DF9855

Analogous

#55DFDD

#5557DF

#559CDF

Triadic

#559CDF

#DF559C

#9CDF55

Split Complementary

#559CDF

#DF5557

#DFDD55

Tetradic

#559CDF

#DD55DF

#DF9855

#57DF55

Color Blindness Simulation

Original

#559CDF

Protanopia

#7474CF

Deuteranopia

#706ACB

Tritanopia

#59C2BF

Achromatopsia

#929292

CSS Usage

background-color: #559CDF;
color: #559CDF;
border-color: #559CDF;
Nearest Tailwind: Sky 500 #0EA5E9

Tailwind Shades

50
#F3F7FC
100
#E3EDF8
200
#C3DCF4
300
#98C3EC
400
#60A3E1
500
#2882D7
600
#2068AC
700
#1A5389
800
#14416B
900
#13314E
950
#0C1F31

Contrast Checker

Text on white

2.91:1

AA Fail AAA Fail

Text on black

7.21:1

AA Pass AAA Pass

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026