Hex #405fab or rgb(64,95,171) in RGB space is the tint of blue violet. It has hue angle of 222.62 degrees, value = 67 and saturation = 63. #405fab can be obtained by mixing 4 colors: 1 drop of red, 1 drop of magenta, 4 drops of blue, 2 drops of cyan.
Nearest safe hex - #336699. Below you can see the block with #405fab color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405fab to the mixer and play with it.