2. Now, click 'Layer > New adjustment layer > Selective color'.
Here are the settings:
Reds: Cyan -100, Magenta +39, Yellow +49, Black +9
Yellow: Cyan +100, Magenta +6, Yellow -100, Black +100
Blues: Cyan +100, Magenta -100, Yellow -100, Black +78
Whites: Cyan +61, Magenta -68, Yellow -81, Black 00
Black: Cyan +35, Magenta 00, Yellow -29, Black 00
3. You'll get this:

4. Then click 'Layer > New Adjustment Layer > Hue/Saturation'
Add this settings:
Master: Saturation+6
Red: Saturation+24
Yellow: Hue-22, Saturation +44
Cyan: Hue +2, Saturation +16
5. Your result:

6. Want more? Create a new layer, fill it with #2b0785, set as exclusion, and turn the opacity to 21%
7. My final result:

Easy right? XD
Any comment? Or maybe you want to ask? Post them here!