Hex #404a80 or rgb(64,74,128) in RGB space is the tint of blue violet. It has hue angle of 230.63 degrees, value = 50 and saturation = 50. #404a80 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of magenta, 5 drops of blue, 1 drop of black.
Nearest safe hex - #333399. Below you can see the block with #404a80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #404a80 to the mixer and play with it.