Hex #660022 or rgb(102,0,34) in RGB space is the tint of scarlet red. It has hue angle of 340.00 degrees, value = 40 and saturation = 100. #660022 can be obtained by mixing 3 colors: 1 drop of red, 1 drop of magenta, 3 drops of black.
Nearest safe hex - #660033. Below you can see the block with #660022 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #660022 to the mixer and play with it.