#555BBC

#555BBC

Color Values

HEX

#555BBC

RGB

85, 91, 188

HSL

236,5, 43,5%, 53,5%

HSV

236,5, 54,8%, 73,7%

CMYK

54,8%, 51,6%, 0,0%, 26,3%

OKLCH

0,5172 0,1499 277,1

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#555BBC

#BCB655

Analogous

#558EBC

#8255BC

#555BBC

Triadic

#555BBC

#BC555B

#5BBC55

Split Complementary

#555BBC

#BC8255

#8EBC55

Tetradic

#555BBC

#BC558E

#BCB655

#55BC82

Color Blindness Simulation

Original

#555BBC

Protanopia

#5858A5

Deuteranopia

#57579F

Tritanopia

#55928E

Achromatopsia

#616161

CSS Usage

background-color: #555BBC;
color: #555BBC;
border-color: #555BBC;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F5F5FA
100
#E7E7F4
200
#CCCEEB
300
#A7AADC
400
#787CCA
500
#484FB7
600
#3A3F92
700
#2E3275
800
#24275B
900
#1D2043
950
#13142B

Contrast Checker

Text on white

5,82:1

AA Pass AAA Fail

Text on black

3,61:1

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