Hex #37909e or rgb(55,144,158) in RGB space is the tint of bluish cian. It has hue angle of 188.16 degrees, value = 62 and saturation = 65. #37909e can be obtained by mixing 4 colors: 1 drop of blue, 5 drops of cyan, 3 drops of white, 5 drops of black.
Nearest safe hex - #339999. Below you can see the block with #37909e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #37909e to the mixer and play with it.