Hex #337661 or rgb(51,118,97) in RGB space is the tint of greenish cian. It has hue angle of 161.19 degrees, value = 46 and saturation = 57. #337661 can be obtained by mixing 4 colors: 4 drops of blue, 4 drops of green, 3 drops of white, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #337661 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #337661 to the mixer and play with it.