Hex #661956 or rgb(102,25,86) in RGB space is the tint of crimson. It has hue angle of 312.47 degrees, value = 40 and saturation = 75. #661956 can be obtained by mixing 4 colors: 4 drops of magenta, 1 drop of blue, 1 drop of green, 4 drops of black.
Nearest safe hex - #660066. Below you can see the block with #661956 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #661956 to the mixer and play with it.