Hex #55739d or rgb(85,115,157) in RGB space is the tint of blue. It has hue angle of 215.00 degrees, value = 62 and saturation = 46. #55739d can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of magenta, 3 drops of blue, 1 drop of cyan.
Nearest safe hex - #666699. Below you can see the block with #55739d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55739d to the mixer and play with it.