Hex #449b88 or rgb(68,155,136) in RGB space is the tint of greenish cian. It has hue angle of 166.90 degrees, value = 61 and saturation = 56. #449b88 can be obtained by mixing 4 colors: 4 drops of cyan, 2 drops of green, 4 drops of white, 5 drops of black.
Nearest safe hex - #339999. Below you can see the block with #449b88 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #449b88 to the mixer and play with it.