Hex #709a9f or rgb(112,154,159) in RGB space is the tint of cyan. It has hue angle of 186.38 degrees, value = 62 and saturation = 30. #709a9f can be obtained by mixing 4 colors: 2 drops of red, 5 drops of cyan, 5 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #709a9f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #709a9f to the mixer and play with it.