Hex #498bab or rgb(73,139,171) in RGB space is the tint of bluish cian. It has hue angle of 199.59 degrees, value = 67 and saturation = 57. #498bab can be obtained by mixing 3 colors: 4 drops of blue, 1 drop of green, 2 drops of white.
Nearest safe hex - #339999. Below you can see the block with #498bab color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #498bab to the mixer and play with it.