Hex #5d8e9b or rgb(93,142,155) in RGB space is the tint of bluish cian. It has hue angle of 192.58 degrees, value = 61 and saturation = 40. #5d8e9b can be obtained by mixing 4 colors: 1 drop of blue, 2 drops of cyan, 4 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #5d8e9b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d8e9b to the mixer and play with it.