Hex #403580 or rgb(64,53,128) in RGB space is the tint of purple violet. It has hue angle of 248.80 degrees, value = 50 and saturation = 59. #403580 can be obtained by mixing 2 colors: 1 drop of red, 3 drops of blue.
Nearest safe hex - #333399. Below you can see the block with #403580 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #403580 to the mixer and play with it.