Hex #40344b or rgb(64,52,75) in RGB space is the tint of purple. It has hue angle of 271.30 degrees, value = 29 and saturation = 31. #40344b can be obtained by mixing 4 colors: 2 drops of magenta, 1 drop of cyan, 1 drop of green, 4 drops of black.
Nearest safe hex - #333333. Below you can see the block with #40344b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40344b to the mixer and play with it.