Hex #665755 or rgb(102,87,85) in RGB space is the tint of red. It has hue angle of 7.06 degrees, value = 40 and saturation = 17. #665755 can be obtained by mixing 4 colors: 1 drop of magenta, 1 drop of green, 1 drop of white, 2 drops of black.
Nearest safe hex - #666666. Below you can see the block with #665755 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #665755 to the mixer and play with it.