Hex #375d74 or rgb(55,93,116) in RGB space is the tint of blue. It has hue angle of 202.62 degrees, value = 45 and saturation = 53. #375d74 can be obtained by mixing 4 colors: 5 drops of blue, 1 drop of green, 3 drops of white, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #375d74 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #375d74 to the mixer and play with it.