Hex #a22b00 or rgb(162,43,0) in RGB space is the tint of orange red. It has hue angle of 15.93 degrees, value = 64 and saturation = 100. #a22b00 can be obtained by mixing 3 colors: 2 drops of yellow, 5 drops of red, 4 drops of black.
Nearest safe hex - #993300. Below you can see the block with #a22b00 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #a22b00 to the mixer and play with it.