Hex #661339 or rgb(102,19,57) in RGB space is the tint of scarlet. It has hue angle of 332.53 degrees, value = 40 and saturation = 81. #661339 can be obtained by mixing 4 colors: 5 drops of red, 1 drop of magenta, 4 drops of blue, 5 drops of black.
Nearest safe hex - #660033. Below you can see the block with #661339 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #661339 to the mixer and play with it.