Hex #402856 or rgb(64,40,86) in RGB space is the tint of purple. It has hue angle of 271.30 degrees, value = 34 and saturation = 53. #402856 can be obtained by mixing 4 colors: 2 drops of magenta, 2 drops of blue, 1 drop of green, 3 drops of black.
Nearest safe hex - #333366. Below you can see the block with #402856 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #402856 to the mixer and play with it.