Hex #665766 or rgb(102,87,102) in RGB space is the tint of magenta. It has hue angle of 300.00 degrees, value = 40 and saturation = 15. #665766 can be obtained by mixing 4 colors: 4 drops of red, 3 drops of blue, 2 drops of cyan, 1 drop of green.
Nearest safe hex - #666666. Below you can see the block with #665766 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #665766 to the mixer and play with it.