This is for Photoshop users only!
PSD is included!
Selective Colouring Layer:
Reds; -58, +70, +100, 0
Yellows; -32, +8, +100, 0
Greens; +82, -86, +70, 0
Cyans; +32, -37, -21, 0
Duplicate the Selective Colouring Layer and put the Opacity to 58%
Hue/Sat Layer:
Master (sat); +20
New Fill Layer:
#0a071e set the layer to Exclusion
and you're done!
PSD here: http://www.box.net/shared/kfts03i5xa#bella
More examples: