Hex #55565f or rgb(85,86,95) in RGB space is the tint of violet. It has hue angle of 234.00 degrees, value = 37 and saturation = 11. #55565f can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of red, 5 drops of blue, 1 drop of green.
Nearest safe hex - #666666. Below you can see the block with #55565f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55565f to the mixer and play with it.