#513681

#513681

Color Values

HEX

#513681

RGB

81, 54, 129

HSL

261.6, 41.0%, 35.9%

HSV

261.6, 58.1%, 50.6%

CMYK

37.2%, 58.1%, 0.0%, 49.4%

OKLCH

0.4033 0.1218 297.2

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#513681

#668136

Analogous

#364181

#773681

#513681

Triadic

#513681

#815136

#368151

Split Complementary

#513681

#817736

#418136

Tetradic

#513681

#813641

#668136

#368177

Color Blindness Simulation

Original

#513681

Protanopia

#45456F

Deuteranopia

#47496A

Tritanopia

#50615D

Achromatopsia

#414141

CSS Usage

background-color: #513681;
color: #513681;
border-color: #513681;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5FA
100
#EBE7F3
200
#D7CDEA
300
#BBA9DB
400
#967AC7
500
#714BB4
600
#5A3C90
700
#483073
800
#38265A
900
#2B1F42
950
#1B132A

Contrast Checker

Text on white

9.57:1

AA Pass AAA Pass

Text on black

2.19:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026