Hex #375f74 or rgb(55,95,116) in RGB space is the tint of bluish cian. It has hue angle of 200.66 degrees, value = 45 and saturation = 53. #375f74 can be obtained by mixing 4 colors: 3 drops of red, 2 drops of blue, 5 drops of cyan, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #375f74 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #375f74 to the mixer and play with it.