Hex #4d8c99 or rgb(77,140,153) in RGB space is the tint of bluish cian. It has hue angle of 190.26 degrees, value = 60 and saturation = 50. #4d8c99 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of red, 3 drops of blue, 4 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #4d8c99 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4d8c99 to the mixer and play with it.