#555783

#555783

Color Values

HEX

#555783

RGB

85, 87, 131

HSL

237.4, 21.3%, 42.4%

HSV

237.4, 35.1%, 51.4%

CMYK

35.1%, 33.6%, 0.0%, 48.6%

OKLCH

0.474 0.0708 281.3

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#555783

#838155

Analogous

#556E83

#6A5583

#555783

Triadic

#555783

#835557

#578355

Split Complementary

#555783

#836A55

#6E8355

Tetradic

#555783

#83556E

#838155

#55836A

Color Blindness Simulation

Original

#555783

Protanopia

#565678

Deuteranopia

#565676

Tritanopia

#55706E

Achromatopsia

#5A5A5A

CSS Usage

background-color: #555783;
color: #555783;
border-color: #555783;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F6F9
100
#EAEAF0
200
#D4D4E3
300
#B5B6CF
400
#8D8EB5
500
#64679B
600
#50527C
700
#404263
800
#32334D
900
#27283A
950
#191924

Contrast Checker

Text on white

6.82:1

AA Pass AAA Fail

Text on black

3.08:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026