Hex #2b7380 or rgb(43,115,128) in RGB space is the tint of bluish cian. It has hue angle of 189.18 degrees, value = 50 and saturation = 66. #2b7380 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of blue, 1 drop of cyan, 1 drop of black.
Nearest safe hex - #336699. Below you can see the block with #2b7380 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b7380 to the mixer and play with it.