Hex #403e55 or rgb(64,62,85) in RGB space is the tint of violet. It has hue angle of 245.22 degrees, value = 33 and saturation = 27. #403e55 can be obtained by mixing 4 colors: 1 drop of magenta, 1 drop of cyan, 1 drop of white, 5 drops of black.
Nearest safe hex - #333366. Below you can see the block with #403e55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #403e55 to the mixer and play with it.