Hex #808e91 or rgb(128,142,145) in RGB space is the tint of bluish cian. It has hue angle of 190.59 degrees, value = 57 and saturation = 12. #808e91 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of red, 1 drop of magenta, 5 drops of cyan.
Nearest safe hex - #999999. Below you can see the block with #808e91 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #808e91 to the mixer and play with it.