Hex #4e8397 or rgb(78,131,151) in RGB space is the tint of bluish cian. It has hue angle of 196.44 degrees, value = 59 and saturation = 48. #4e8397 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of red, 4 drops of blue, 5 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #4e8397 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4e8397 to the mixer and play with it.