Hex #2b6379 or rgb(43,99,121) in RGB space is the tint of bluish cian. It has hue angle of 196.92 degrees, value = 47 and saturation = 64. #2b6379 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of magenta, 5 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #2b6379 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b6379 to the mixer and play with it.