#573387

#573387

Color Values

HEX

#573387

RGB

87, 51, 135

HSL

265.7, 45.2%, 36.5%

HSV

265.7, 62.2%, 52.9%

CMYK

35.6%, 62.2%, 0.0%, 47.1%

OKLCH

0.4094 0.1354 300.2

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#573387

#638733

Analogous

#333987

#813387

#573387

Triadic

#573387

#875733

#338757

Split Complementary

#573387

#878133

#398733

Tetradic

#573387

#873339

#638733

#338781

Color Blindness Simulation

Original

#573387

Protanopia

#474773

Deuteranopia

#4A4C6E

Tritanopia

#55635F

Achromatopsia

#414141

CSS Usage

background-color: #573387;
color: #573387;
border-color: #573387;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F4FA
100
#ECE6F4
200
#D9CBEB
300
#BEA6DD
400
#9B76CB
500
#7746B9
600
#5F3894
700
#4C2D76
800
#3C235D
900
#2E1D44
950
#1D122B

Contrast Checker

Text on white

9.42:1

AA Pass AAA Pass

Text on black

2.23:1

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