Hex #991556 or rgb(153,21,86) in RGB space is the tint of scarlet. It has hue angle of 330.45 degrees, value = 60 and saturation = 86. #991556 can be obtained by mixing 4 colors: 4 drops of red, 2 drops of magenta, 3 drops of blue, 1 drop of black.
Nearest safe hex - #990066. Below you can see the block with #991556 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #991556 to the mixer and play with it.