Hex #4e8289 or rgb(78,130,137) in RGB space is the tint of cyan. It has hue angle of 187.12 degrees, value = 54 and saturation = 43. #4e8289 can be obtained by mixing 4 colors: 2 drops of red, 5 drops of cyan, 2 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #4e8289 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4e8289 to the mixer and play with it.