Hex #405987 or rgb(64,89,135) in RGB space is the tint of blue violet. It has hue angle of 218.87 degrees, value = 53 and saturation = 53. #405987 can be obtained by mixing 4 colors: 3 drops of red, 5 drops of blue, 3 drops of cyan, 1 drop of black.
Nearest safe hex - #336699. Below you can see the block with #405987 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405987 to the mixer and play with it.