#51287C

#51287C

Color Values

HEX

#51287C

RGB

81, 40, 124

HSL

269.3, 51.2%, 32.2%

HSV

269.3, 67.7%, 48.6%

CMYK

34.7%, 67.7%, 0.0%, 51.4%

OKLCH

0.3773 0.137 302.7

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#51287C

#537C28

Analogous

#28297C

#7B287C

#51287C

Triadic

#51287C

#7C5128

#287C51

Split Complementary

#51287C

#7C7B28

#297C28

Tetradic

#51287C

#7C2829

#537C28

#287C7B

Color Blindness Simulation

Original

#51287C

Protanopia

#3F3F68

Deuteranopia

#424563

Tritanopia

#4F5854

Achromatopsia

#373737

CSS Usage

background-color: #51287C;
color: #51287C;
border-color: #51287C;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F4FB
100
#EDE5F5
200
#DBC9EE
300
#C1A2E1
400
#A070D1
500
#7E3EC1
600
#65329A
700
#51287B
800
#3F1F60
900
#301A47
950
#1E102D

Contrast Checker

Text on white

10.8:1

AA Pass AAA Pass

Text on black

1.94:1

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