Hex #402040 or rgb(64,32,64) in RGB space is the tint of magenta. It has hue angle of 300.00 degrees, value = 25 and saturation = 50. #402040 can be obtained by mixing 4 colors: 2 drops of magenta, 1 drop of blue, 1 drop of green, 4 drops of black.
Nearest safe hex - #333333. Below you can see the block with #402040 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #402040 to the mixer and play with it.