Hex #719597 or rgb(113,149,151) in RGB space is the tint of cyan. It has hue angle of 183.16 degrees, value = 59 and saturation = 25. #719597 can be obtained by mixing 4 colors: 2 drops of blue, 1 drop of green, 4 drops of white, 2 drops of black.
Nearest safe hex - #669999. Below you can see the block with #719597 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #719597 to the mixer and play with it.