Hex #3942a1 or rgb(57,66,161) in RGB space is the tint of violet. It has hue angle of 234.81 degrees, value = 63 and saturation = 65. #3942a1 can be obtained by mixing 4 colors: 2 drops of magenta, 5 drops of blue, 1 drop of cyan, 1 drop of black.
Nearest safe hex - #333399. Below you can see the block with #3942a1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3942a1 to the mixer and play with it.