Hex #337f83 or rgb(51,127,131) in RGB space is the tint of cyan. It has hue angle of 183.00 degrees, value = 51 and saturation = 61. #337f83 can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 3 drops of cyan, 5 drops of green.
Nearest safe hex - #336699. Below you can see the block with #337f83 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #337f83 to the mixer and play with it.