Hex #5b7386 or rgb(91,115,134) in RGB space is the tint of blue. It has hue angle of 206.51 degrees, value = 53 and saturation = 32. #5b7386 can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 4 drops of white, 4 drops of black.
Nearest safe hex - #666699. Below you can see the block with #5b7386 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b7386 to the mixer and play with it.