Hex #71898e or rgb(113,137,142) in RGB space is the tint of bluish cian. It has hue angle of 190.34 degrees, value = 56 and saturation = 20. #71898e can be obtained by mixing 4 colors: 3 drops of red, 5 drops of cyan, 5 drops of white, 5 drops of black.
Nearest safe hex - #669999. Below you can see the block with #71898e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #71898e to the mixer and play with it.