Hex #5b5f74 or rgb(91,95,116) in RGB space is the tint of blue violet. It has hue angle of 230.40 degrees, value = 45 and saturation = 22. #5b5f74 can be obtained by mixing 4 colors: 5 drops of red, 2 drops of blue, 5 drops of cyan, 2 drops of black.
Nearest safe hex - #666666. Below you can see the block with #5b5f74 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b5f74 to the mixer and play with it.