Hex #2e90a3 or rgb(46,144,163) in RGB space is the tint of bluish cian. It has hue angle of 189.74 degrees, value = 64 and saturation = 72. #2e90a3 can be obtained by mixing 4 colors: 2 drops of red, 3 drops of blue, 5 drops of cyan, 1 drop of green.
Nearest safe hex - #339999. Below you can see the block with #2e90a3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2e90a3 to the mixer and play with it.