#557EB1

#557EB1

Color Values

HEX

#557EB1

RGB

85, 126, 177

HSL

213.3, 37.1%, 51.4%

HSV

213.3, 52.0%, 69.4%

CMYK

52.0%, 28.8%, 0.0%, 30.6%

OKLCH

0.5848 0.0913 254.5

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#557EB1

#B18855

Analogous

#55ACB1

#5A55B1

#557EB1

Triadic

#557EB1

#B1557E

#7EB155

Split Complementary

#557EB1

#B15A55

#ACB155

Tetradic

#557EB1

#B155AC

#B18855

#55B15A

Color Blindness Simulation

Original

#557EB1

Protanopia

#6767A5

Deuteranopia

#6461A2

Tritanopia

#579B99

Achromatopsia

#797979

CSS Usage

background-color: #557EB1;
color: #557EB1;
border-color: #557EB1;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F7FA
100
#E8EDF3
200
#CEDAE9
300
#ABBFD9
400
#7E9DC4
500
#507AAF
600
#40628C
700
#334E70
800
#283D57
900
#202F41
950
#141D29

Contrast Checker

Text on white

4.2:1

AA Fail AAA Fail

Text on black

5.01:1

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