#557DBA

#557DBA

Color Values

HEX

#557DBA

RGB

85, 125, 186

HSL

216.2, 42.3%, 53.1%

HSV

216.2, 54.3%, 72.9%

CMYK

54.3%, 32.8%, 0.0%, 27.1%

OKLCH

0.5872 0.1044 258.6

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#557DBA

#BA9255

Analogous

#55B0BA

#5F55BA

#557DBA

Triadic

#557DBA

#BA557D

#7DBA55

Split Complementary

#557DBA

#BA5F55

#B0BA55

Tetradic

#557DBA

#BA55B0

#BA9255

#55BA5F

Color Blindness Simulation

Original

#557DBA

Protanopia

#6667AB

Deuteranopia

#6461A8

Tritanopia

#57A09D

Achromatopsia

#797979

CSS Usage

background-color: #557DBA;
color: #557DBA;
border-color: #557DBA;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F5F7FA
100
#E7ECF4
200
#CCD8EA
300
#A8BCDC
400
#7998C9
500
#4A74B5
600
#3B5D91
700
#2F4A74
800
#253A5B
900
#1E2D43
950
#131C2A

Contrast Checker

Text on white

4.18:1

AA Fail AAA Fail

Text on black

5.03:1

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