Brown (18-9, 10-3 Ivy) shot 60.9 percent from the field, 52.6 percent from behind the arc and 92.3 percent from the free throw line. Sullivan was 4-of-7 on 3-pointers while Huffman -- whose 219 career 3-pointers place him 11th all-time in the Ivy League -- made 3-of-4 treys.
After shooting 54.2 percent from the field and 40 percent from beyond the arc in the first half, Harvard (8-21, 3-10) shot 41.4 percent from the field, 16.7 percent from 3-point range, in the second.
Brown outscored Harvard 27-13 over the last 11:40 after the Crimson had narrowed a 12-point Bears second-half lead to just two, 51-49.
Harvard controlled the glass, outscoring Brown 17-5 on second-chance points and winning the rebounding battle, 27-22. But the Bears made 10 of 19 threes on the night while Crimson made just six of 22.
The Bears led at the half, 39-31.