Hex #89abb1 or rgb(137,171,177) in RGB space is the tint of bluish cian. It has hue angle of 189.00 degrees, value = 69 and saturation = 23. #89abb1 can be obtained by mixing 4 colors: 2 drops of red, 4 drops of cyan, 5 drops of white, 2 drops of black.
Nearest safe hex - #999999. Below you can see the block with #89abb1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #89abb1 to the mixer and play with it.