Hex #402a1d or rgb(64,42,29) in RGB space is the tint of orange red. It has hue angle of 22.29 degrees, value = 25 and saturation = 55. #402a1d can be obtained by mixing 4 colors: 3 drops of red, 2 drops of blue, 2 drops of green, 5 drops of black.
Nearest safe hex - #333333. Below you can see the block with #402a1d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #402a1d to the mixer and play with it.