Hex #2b7e9d or rgb(43,126,157) in RGB space is the tint of bluish cian. It has hue angle of 196.32 degrees, value = 62 and saturation = 73. #2b7e9d can be obtained by mixing 3 colors: 1 drop of yellow, 4 drops of blue, 1 drop of cyan.
Nearest safe hex - #336699. Below you can see the block with #2b7e9d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b7e9d to the mixer and play with it.