Hex #335a67 or rgb(51,90,103) in RGB space is the tint of bluish cian. It has hue angle of 195.00 degrees, value = 40 and saturation = 50. #335a67 can be obtained by mixing 3 colors: 1 drop of yellow, 3 drops of blue, 1 drop of black.
Nearest safe hex - #336666. Below you can see the block with #335a67 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #335a67 to the mixer and play with it.