#5151C3

#5151C3

Color Values

HEX

#5151C3

RGB

81, 81, 195

HSL

240.0, 48.7%, 54.1%

HSV

240.0, 58.5%, 76.5%

CMYK

58.5%, 58.5%, 0.0%, 23.5%

OKLCH

0.5008 0.1736 278.1

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#5151C3

#C3C351

Analogous

#518AC3

#8A51C3

#5151C3

Triadic

#5151C3

#C35151

#51C351

Split Complementary

#5151C3

#C38A51

#8AC351

Tetradic

#5151C3

#C3518A

#C3C351

#51C38A

Color Blindness Simulation

Original

#5151C3

Protanopia

#5151A7

Deuteranopia

#5151A1

Tritanopia

#51928D

Achromatopsia

#595959

CSS Usage

background-color: #5151C3;
color: #5151C3;
border-color: #5151C3;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CACAED
300
#A4A4E0
400
#7373CF
500
#4141BE
600
#343498
700
#2A2A79
800
#21215F
900
#1B1B46
950
#11112C

Contrast Checker

Text on white

6.34:1

AA Pass AAA Fail

Text on black

3.31:1

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