Hex #402739 or rgb(64,39,57) in RGB space is the tint of crimson. It has hue angle of 316.80 degrees, value = 25 and saturation = 39. #402739 can be obtained by mixing 4 colors: 3 drops of red, 4 drops of blue, 1 drop of green, 4 drops of black.
Nearest safe hex - #333333. Below you can see the block with #402739 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #402739 to the mixer and play with it.