Hex #3b9b90 or rgb(59,155,144) in RGB space is the tint of cyan. It has hue angle of 173.13 degrees, value = 61 and saturation = 62. #3b9b90 can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of blue, 4 drops of cyan, 1 drop of black.
Nearest safe hex - #339999. Below you can see the block with #3b9b90 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3b9b90 to the mixer and play with it.