Hex #307b85 or rgb(48,123,133) in RGB space is the tint of cyan. It has hue angle of 187.06 degrees, value = 52 and saturation = 64. #307b85 can be obtained by mixing 4 colors: 3 drops of magenta, 5 drops of blue, 3 drops of cyan, 5 drops of green.
Nearest safe hex - #336699. Below you can see the block with #307b85 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #307b85 to the mixer and play with it.