add the usual curve i add
RGB - Input: 106 Output: 150
Red - I: 115 O: 137
Green - I: 114 O: 130
Blue - I: 82 O: 142
you will get that. if you're havign problems with getting it, here is the solution. note the "i prefer the second icon anyway" and "maybe it's a fault by the maker of the tutorial?"
anyways, set this to soft light.
now, duplicate the base once more, slide it over to the top and set to screen.
add a new selective color adjustments layer.
now, add a new curves layer. we want to intensify the blues.
Red | Green | Blue
thats it. lets hope this time there wont be my faults.