Hex #921a18 or rgb(146,26,24) in RGB space is the tint of red. It has hue angle of 0.98 degrees, value = 57 and saturation = 84. #921a18 can be obtained by mixing 4 colors: 3 drops of red, 1 drop of magenta, 1 drop of green, 2 drops of black.
Nearest safe hex - #993300. Below you can see the block with #921a18 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #921a18 to the mixer and play with it.