Hex #375a5b or rgb(55,90,91) in RGB space is the tint of cyan. It has hue angle of 181.67 degrees, value = 36 and saturation = 40. #375a5b can be obtained by mixing 4 colors: 3 drops of magenta, 3 drops of cyan, 3 drops of green, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #375a5b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #375a5b to the mixer and play with it.