Hex #2e637c or rgb(46,99,124) in RGB space is the tint of bluish cian. It has hue angle of 199.23 degrees, value = 49 and saturation = 63. #2e637c can be obtained by mixing 4 colors: 2 drops of red, 2 drops of blue, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #336666. Below you can see the block with #2e637c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2e637c to the mixer and play with it.