Hex #404880 or rgb(64,72,128) in RGB space is the tint of violet. It has hue angle of 232.50 degrees, value = 50 and saturation = 50. #404880 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 2 drops of white, 4 drops of black.
Nearest safe hex - #333399. Below you can see the block with #404880 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #404880 to the mixer and play with it.