The stats show Colorado is a team that likes to jack up a lot of 3s, and they are hitting a very respectable 39.2% as a team. They are also a decent FT shooting team and have outrebounded their opponents by a good margin.
So UConn will face teams in the 1st round and, if they advance, the 2nd round which have 3 point shooting as major weapons in their arsenal.
I remember when my uncle first started taking me to college basketball games as a kid, and he told me, "in the NCAA tournament, teams that live by the jumpshot are a tough bet, because the first thing a team loses in competitive, high pressure games is the jumpshot. They get contested looks. Which is why teams that defend and rebound and find ways to get easy baskets win in tournament basketball."
The game has changed since then with the 3 point shot, but teams that play good defense and have good defensive rotations can neutralize effective 3 point shooting. This is one reason why UConn and Michigan State have been so consistently successful in the NCAA tournament in the last 20 years.
One thing that concerns me is that the AAC teams, the top teams anyway, are not really lights out 3 point shooting teams. UConn lost to Syracuse earlier this year because they didn't defend the 3 ball, so they will have to do better against Colorado.