Hex #468d9b or rgb(70,141,155) in RGB space is the tint of bluish cian. It has hue angle of 189.88 degrees, value = 61 and saturation = 55. #468d9b can be obtained by mixing 4 colors: 1 drop of blue, 3 drops of cyan, 3 drops of white, 4 drops of black.
Nearest safe hex - #339999. Below you can see the block with #468d9b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #468d9b to the mixer and play with it.