Hex #2b5563 or rgb(43,85,99) in RGB space is the tint of bluish cian. It has hue angle of 195.00 degrees, value = 39 and saturation = 57. #2b5563 can be obtained by mixing 4 colors: 2 drops of red, 1 drop of blue, 4 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #2b5563 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b5563 to the mixer and play with it.