Hex #305c7a or rgb(48,92,122) in RGB space is the tint of blue. It has hue angle of 204.32 degrees, value = 48 and saturation = 61. #305c7a can be obtained by mixing 4 colors: 3 drops of red, 4 drops of blue, 5 drops of cyan, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #305c7a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #305c7a to the mixer and play with it.