#5556CB

#5556CB

Color Values

HEX

#5556CB

RGB

85, 86, 203

HSL

239.5, 53.2%, 56.5%

HSV

239.5, 58.1%, 79.6%

CMYK

58.1%, 57.6%, 0.0%, 20.4%

OKLCH

0.5188 0.1771 277.9

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#5556CB

#CBCA55

Analogous

#5591CB

#8F55CB

#5556CB

Triadic

#5556CB

#CB5556

#56CB55

Split Complementary

#5556CB

#CB8F55

#91CB55

Tetradic

#5556CB

#CB5591

#CBCA55

#55CB8F

Color Blindness Simulation

Original

#5556CB

Protanopia

#5555AF

Deuteranopia

#5555A8

Tritanopia

#559893

Achromatopsia

#5E5E5E

CSS Usage

background-color: #5556CB;
color: #5556CB;
border-color: #5556CB;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FB
100
#E5E5F5
200
#C8C9EE
300
#A1A2E2
400
#6E6FD3
500
#3C3DC3
600
#30319C
700
#26277D
800
#1E1E62
900
#191A48
950
#10102D

Contrast Checker

Text on white

5.87:1

AA Pass AAA Fail

Text on black

3.58:1

AA Fail 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