Hex #2b6980 or rgb(43,105,128) in RGB space is the tint of bluish cian. It has hue angle of 196.24 degrees, value = 50 and saturation = 66. #2b6980 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of blue, 1 drop of cyan, 1 drop of green.
Nearest safe hex - #336699. Below you can see the block with #2b6980 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b6980 to the mixer and play with it.