Hex #a23f2e or rgb(162,63,46) in RGB space is the tint of orange red. It has hue angle of 8.79 degrees, value = 64 and saturation = 72. #a23f2e can be obtained by mixing 4 colors: 5 drops of red, 1 drop of green, 2 drops of white, 3 drops of black.
Nearest safe hex - #993333. Below you can see the block with #a23f2e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #a23f2e to the mixer and play with it.