#5151E2

#5151E2

Color Values

HEX

#5151E2

RGB

81, 81, 226

HSL

240.0, 71.4%, 60.2%

HSV

240.0, 64.2%, 88.6%

CMYK

64.2%, 64.2%, 0.0%, 11.4%

OKLCH

0.5262 0.2139 276.1

Properties

Cool Dark Nearest: slateblue 2

Color Harmonies

Complementary

#5151E2

#E2E251

Analogous

#519AE2

#9A51E2

#5151E2

Triadic

#5151E2

#E25151

#51E251

Split Complementary

#5151E2

#E29A51

#9AE251

Tetradic

#5151E2

#E2519A

#E2E251

#51E29A

Color Blindness Simulation

Original

#5151E2

Protanopia

#5151BF

Deuteranopia

#5151B6

Tritanopia

#51A39D

Achromatopsia

#5B5B5B

CSS Usage

background-color: #5151E2;
color: #5151E2;
border-color: #5151E2;
Nearest Tailwind: Blue 700 #1D4ED8

Tailwind Shades

50
#F3F3FC
100
#E2E2F8
200
#C2C2F5
300
#9696ED
400
#5D5DE4
500
#2424DB
600
#1D1DAF
700
#17178C
800
#12126D
900
#111150
950
#0B0B32

Contrast Checker

Text on white

5.79:1

AA Pass AAA Fail

Text on black

3.63:1

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