Hex #402b4e or rgb(64,43,78) in RGB space is the tint of purple. It has hue angle of 276.00 degrees, value = 31 and saturation = 45. #402b4e can be obtained by mixing 4 colors: 3 drops of red, 4 drops of blue, 1 drop of cyan, 4 drops of black.
Nearest safe hex - #333366. Below you can see the block with #402b4e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #402b4e to the mixer and play with it.