Hex #a43431 or rgb(164,52,49) in RGB space is the tint of red. It has hue angle of 1.57 degrees, value = 64 and saturation = 70. #a43431 can be obtained by mixing 4 colors: 5 drops of red, 4 drops of magenta, 4 drops of green, 1 drop of black.
Nearest safe hex - #993333. Below you can see the block with #a43431 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #a43431 to the mixer and play with it.