Well here's the tutorial I promised. It's quite simple. Learn how to get from A to B.
A:
B:
Other Examples:
1.) Duplicate base and set duplicate to Screen at 80%
2.) Create a new Selective Color Layer (Layer >> New Adjustment Layer >> Selective Color)
Reds:
C: -80
M: 20
Y: 100
Yellows:
C: -100
M: -10
Y: 100
Cyans:
C: 100
M: -100
Y: -100
Neutrals:
C:
M:
Y:
B: -15
3.) Create a new Curves layer. (Layer >> New Adjustment Layer >> Curves)
Red:
Output: 100
Input: 110
**This tutorial works best with images that have darker blue colours in them.