Hex #404f72 or rgb(64,79,114) in RGB space is the tint of blue violet. It has hue angle of 222.00 degrees, value = 45 and saturation = 44. #404f72 can be obtained by mixing 4 colors: 1 drop of red, 2 drops of magenta, 4 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #404f72 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #404f72 to the mixer and play with it.