Hex #2b4b64 or rgb(43,75,100) in RGB space is the tint of blue. It has hue angle of 206.32 degrees, value = 39 and saturation = 57. #2b4b64 can be obtained by mixing 4 colors: 2 drops of magenta, 5 drops of blue, 3 drops of green, 2 drops of black.
Nearest safe hex - #333366. Below you can see the block with #2b4b64 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b4b64 to the mixer and play with it.