Yes, Luke is. Watch Episode 6 when Luka and Vader are walking up the steps in the Death Star. Luke's head comes to Vader's shoulder, and Vader was about 7 or 8 ft. tall.
Luke is 1.72 meters tall.
Luke Sabis is 6'.
Luke Sexton is 6'.
Luke Sholl is 6'.
Luke Roberts is 6'.
Luke Rold is 6'.
Luke Worrall is 6'.
Luke Albright is 6'.
Luke Benedetto is 6'.
Luke Beavers is 6'.
Luke Moran is 6'.
Luke Morley is 6'.