#3939CB

#3939CB

Color Values

HEX

#3939CB

RGB

57, 57, 203

HSL

240.0, 58.4%, 51.0%

HSV

240.0, 71.9%, 79.6%

CMYK

71.9%, 71.9%, 0.0%, 20.4%

OKLCH

0.4527 0.2171 273.5

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3939CB

#CBCB39

Analogous

#3982CB

#8239CB

#3939CB

Triadic

#3939CB

#CB3939

#39CB39

Split Complementary

#3939CB

#CB8239

#82CB39

Tetradic

#3939CB

#CB3982

#CBCB39

#39CB82

Color Blindness Simulation

Original

#3939CB

Protanopia

#3939A8

Deuteranopia

#39399F

Tritanopia

#398C86

Achromatopsia

#444444

CSS Usage

background-color: #3939CB;
color: #3939CB;
border-color: #3939CB;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F4FB
100
#E4E4F6
200
#C6C6F0
300
#9E9EE6
400
#6A6AD8
500
#3535CA
600
#2A2AA2
700
#222281
800
#1B1B65
900
#17174A
950
#0F0F2F

Contrast Checker

Text on white

8.01:1

AA Pass AAA Pass

Text on black

2.62:1

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