Hex #404b72 or rgb(64,75,114) in RGB space is the tint of blue violet. It has hue angle of 226.80 degrees, value = 45 and saturation = 44. #404b72 can be obtained by mixing 4 colors: 3 drops of magenta, 5 drops of blue, 3 drops of green, 1 drop of black.
Nearest safe hex - #333366. Below you can see the block with #404b72 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #404b72 to the mixer and play with it.