Hex #17729b or rgb(23,114,155) in RGB space is the tint of bluish cian. It has hue angle of 198.64 degrees, value = 61 and saturation = 85. #17729b can be obtained by mixing 4 colors: 4 drops of blue, 3 drops of cyan, 1 drop of white, 3 drops of black.
Nearest safe hex - #006699. Below you can see the block with #17729b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #17729b to the mixer and play with it.