#515AF1

#515AF1

Color Values

HEX

#515AF1

RGB

81, 90, 241

HSL

236.6, 85.1%, 63.1%

HSV

236.6, 66.4%, 94.5%

CMYK

66.4%, 62.7%, 0.0%, 5.5%

OKLCH

0.5536 0.2224 273.9

Properties

Cool Dark Nearest: slateblue 1

Color Harmonies

Complementary

#515AF1

#F1E851

Analogous

#51AAF1

#9851F1

#515AF1

Triadic

#515AF1

#F1515A

#5AF151

Split Complementary

#515AF1

#F19851

#AAF151

Tetradic

#515AF1

#F151AA

#F1E851

#51F198

Color Blindness Simulation

Original

#515AF1

Protanopia

#5555CD

Deuteranopia

#5454C4

Tritanopia

#51B0A9

Achromatopsia

#636363

CSS Usage

background-color: #515AF1;
color: #515AF1;
border-color: #515AF1;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F2F2FD
100
#E0E2FA
200
#BDC0FA
300
#8E94F6
400
#5059F1
500
#131FEC
600
#0F19BD
700
#0C1497
800
#091076
900
#0B1056
950
#070A36

Contrast Checker

Text on white

5.14:1

AA Pass AAA Fail

Text on black

4.08:1

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