Hex #404480 or rgb(64,68,128) in RGB space is the tint of violet. It has hue angle of 236.25 degrees, value = 50 and saturation = 50. #404480 can be obtained by mixing 4 colors: 2 drops of magenta, 1 drop of blue, 2 drops of cyan, 3 drops of black.
Nearest safe hex - #333399. Below you can see the block with #404480 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #404480 to the mixer and play with it.