Hex #8e90a1 or rgb(142,144,161) in RGB space is the tint of violet. It has hue angle of 233.68 degrees, value = 63 and saturation = 12. #8e90a1 can be obtained by mixing 4 colors: 3 drops of red, 1 drop of blue, 3 drops of cyan, 2 drops of white.
Nearest safe hex - #999999. Below you can see the block with #8e90a1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8e90a1 to the mixer and play with it.