Hex #39578e or rgb(57,87,142) in RGB space is the tint of blue violet. It has hue angle of 218.82 degrees, value = 56 and saturation = 60. #39578e can be obtained by mixing 4 colors: 2 drops of magenta, 1 drop of blue, 3 drops of cyan, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #39578e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39578e to the mixer and play with it.