Hex #878ea5 or rgb(135,142,165) in RGB space is the tint of blue violet. It has hue angle of 226.00 degrees, value = 65 and saturation = 18. #878ea5 can be obtained by mixing 4 colors: 5 drops of red, 3 drops of blue, 5 drops of cyan, 4 drops of white.
Nearest safe hex - #999999. Below you can see the block with #878ea5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #878ea5 to the mixer and play with it.