Hex #888ca5 or rgb(136,140,165) in RGB space is the tint of blue violet. It has hue angle of 231.72 degrees, value = 65 and saturation = 18. #888ca5 can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 3 drops of green, 5 drops of white.
Nearest safe hex - #999999. Below you can see the block with #888ca5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #888ca5 to the mixer and play with it.