Hex #66302e or rgb(102,48,46) in RGB space is the tint of red. It has hue angle of 2.14 degrees, value = 40 and saturation = 55. #66302e can be obtained by mixing 4 colors: 2 drops of red, 4 drops of magenta, 4 drops of green, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #66302e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66302e to the mixer and play with it.