Hex #337b77 or rgb(51,123,119) in RGB space is the tint of cyan. It has hue angle of 176.67 degrees, value = 48 and saturation = 59. #337b77 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of blue, 1 drop of cyan, 1 drop of black.
Nearest safe hex - #336666. Below you can see the block with #337b77 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #337b77 to the mixer and play with it.