Hex #395b68 or rgb(57,91,104) in RGB space is the tint of bluish cian. It has hue angle of 196.60 degrees, value = 41 and saturation = 45. #395b68 can be obtained by mixing 4 colors: 1 drop of blue, 1 drop of cyan, 2 drops of white, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #395b68 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #395b68 to the mixer and play with it.