Hex #401715 or rgb(64,23,21) in RGB space is the tint of red. It has hue angle of 2.79 degrees, value = 25 and saturation = 67. #401715 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of magenta, 1 drop of green, 5 drops of black.
Nearest safe hex - #330000. Below you can see the block with #401715 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #401715 to the mixer and play with it.