#3931CF

#3931CF

Color Values

HEX

#3931CF

RGB

57, 49, 207

HSL

243,0, 62,2%, 50,2%

HSV

243,0, 76,3%, 81,2%

CMYK

72,5%, 76,3%, 0,0%, 18,8%

OKLCH

0,4459 0,2295 274,1

Properties

Cool Dark Nearest: purple 3

Color Harmonies

Complementary

#3931CF

#C7CF31

Analogous

#3178CF

#8831CF

#3931CF

Triadic

#3931CF

#CF3931

#31CF39

Split Complementary

#3931CF

#CF8831

#78CF31

Tetradic

#3931CF

#CF3178

#C7CF31

#31CF88

Color Blindness Simulation

Original

#3931CF

Protanopia

#3635A9

Deuteranopia

#3637A0

Tritanopia

#398B84

Achromatopsia

#3E3E3E

CSS Usage

background-color: #3931CF;
color: #3931CF;
border-color: #3931CF;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F3FB
100
#E5E4F7
200
#C7C5F2
300
#A09CE8
400
#6C66DB
500
#3830CF
600
#2D27A5
700
#241F84
800
#1C1867
900
#18154C
950
#0F0D30

Contrast Checker

Text on white

8,35:1

AA Pass AAA Pass

Text on black

2,51:1

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