Hex #6a372b or rgb(106,55,43) in RGB space is the tint of orange red. It has hue angle of 11.43 degrees, value = 42 and saturation = 59. #6a372b can be obtained by mixing 4 colors: 5 drops of red, 2 drops of cyan, 1 drop of green, 4 drops of black.
Nearest safe hex - #663333. Below you can see the block with #6a372b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a372b to the mixer and play with it.