Hex #661f44 or rgb(102,31,68) in RGB space is the tint of scarlet. It has hue angle of 328.73 degrees, value = 40 and saturation = 70. #661f44 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of magenta, 1 drop of blue, 5 drops of black.
Nearest safe hex - #663333. Below you can see the block with #661f44 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #661f44 to the mixer and play with it.