Hex #402d6b or rgb(64,45,107) in RGB space is the tint of purple violet. It has hue angle of 258.39 degrees, value = 42 and saturation = 58. #402d6b can be obtained by mixing 4 colors: 2 drops of magenta, 4 drops of blue, 1 drop of white, 5 drops of black.
Nearest safe hex - #333366. Below you can see the block with #402d6b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #402d6b to the mixer and play with it.