Hex #665878 or rgb(102,88,120) in RGB space is the tint of purple. It has hue angle of 266.25 degrees, value = 47 and saturation = 27. #665878 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of magenta, 4 drops of blue, 2 drops of green.
Nearest safe hex - #666666. Below you can see the block with #665878 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #665878 to the mixer and play with it.