First, open your base, crop 100x100.
Then duplicate three times, set all three to Screen 100%.
Then add a layer on Soft Light, 100%.
Then flood fill #BFD4ED on Color Burn 100%.
Then add a curves layer, like so:
RGB: Input - 88, Output - 134.
Red: Input - 208, Output - 171.
(leave green alone)
Blue: Input - 106, Output 140.
Then use this texture on Overlay 60%. Set the height to 100 on image size.
Then add text, do whatever else you want, and you're done!