Hex #662622 or rgb(102,38,34) in RGB space is the tint of red. It has hue angle of 3.53 degrees, value = 40 and saturation = 67. #662622 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of red, 2 drops of blue, 4 drops of black.
Nearest safe hex - #663333. Below you can see the block with #662622 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #662622 to the mixer and play with it.