We will be using the photo below.


Step 1
Layer -> New Adjustment Layer -> Selective Color

Reds +100%, +50%, -32%, +20%
Yellows -100%, +12%, -23%, +12%
Blues +95%, 0, +100%, 0
Neutrals +12%, -32%, -45%, +8%


Step 2
New layer set to saturation 20% and fill with #2C7DD5

And you're done!