Hex #b9312f or rgb(185,49,47) in RGB space is the tint of red. It has hue angle of 0.87 degrees, value = 73 and saturation = 75. #b9312f can be obtained by mixing 3 colors: 5 drops of red, 3 drops of magenta, 3 drops of green.
Nearest safe hex - #cc3333. Below you can see the block with #b9312f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b9312f to the mixer and play with it.