Hex #403947 or rgb(64,57,71) in RGB space is the tint of purple. It has hue angle of 270.00 degrees, value = 28 and saturation = 20. #403947 can be obtained by mixing 4 colors: 3 drops of magenta, 2 drops of blue, 3 drops of green, 4 drops of black.
Nearest safe hex - #333333. Below you can see the block with #403947 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #403947 to the mixer and play with it.