Hex #5d8da3 or rgb(93,141,163) in RGB space is the tint of bluish cian. It has hue angle of 198.86 degrees, value = 64 and saturation = 43. #5d8da3 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of magenta, 5 drops of cyan, 2 drops of green.
Nearest safe hex - #669999. Below you can see the block with #5d8da3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d8da3 to the mixer and play with it.