Hex #337b66 or rgb(51,123,102) in RGB space is the tint of greenish cian. It has hue angle of 162.50 degrees, value = 48 and saturation = 59. #337b66 can be obtained by mixing 4 colors: 2 drops of red, 3 drops of blue, 2 drops of cyan, 3 drops of green.
Nearest safe hex - #336666. Below you can see the block with #337b66 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #337b66 to the mixer and play with it.