Hex #2b6a8e or rgb(43,106,142) in RGB space is the tint of bluish cian. It has hue angle of 201.82 degrees, value = 56 and saturation = 70. #2b6a8e can be obtained by mixing 4 colors: 2 drops of blue, 1 drop of cyan, 1 drop of white, 2 drops of black.
Nearest safe hex - #336699. Below you can see the block with #2b6a8e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b6a8e to the mixer and play with it.