Hex #404390 or rgb(64,67,144) in RGB space is the tint of violet. It has hue angle of 237.75 degrees, value = 56 and saturation = 56. #404390 can be obtained by mixing 4 colors: 4 drops of magenta, 5 drops of blue, 3 drops of cyan, 4 drops of black.
Nearest safe hex - #333399. Below you can see the block with #404390 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #404390 to the mixer and play with it.