Hex #991822 or rgb(153,24,34) in RGB space is the tint of red. It has hue angle of 355.35 degrees, value = 60 and saturation = 84. #991822 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of red, 2 drops of magenta, 4 drops of black.
Nearest safe hex - #990033. Below you can see the block with #991822 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #991822 to the mixer and play with it.