The winning Colorado Pick 3 numbers for June 15, 2021 were: midday 3-1-7; evening 7-7-7.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Jun 15, 2021 | Evening | 7-7-7 | 21 | 3 |
| Jun 15, 2021 | Midday | 3-1-7 | 11 | 2 |
| Jun 14, 2021 | Evening | 3-8-4 | 15 | 6 |
| Jun 14, 2021 | Midday | 4-0-5 | 9 | 9 |
| Jun 13, 2021 | Evening | 9-2-7 | 18 | 9 |
| Jun 13, 2021 | Midday | 9-8-7 | 24 | 6 |
| Jun 12, 2021 | Evening | 0-3-9 | 12 | 3 |
| Jun 12, 2021 | Midday | 8-8-2 | 18 | 9 |
| Jun 11, 2021 | Evening | 4-4-6 | 14 | 5 |
| Jun 11, 2021 | Midday | 9-8-2 | 19 | 1 |
| Jun 10, 2021 | Evening | 7-5-9 | 21 | 3 |
| Jun 10, 2021 | Midday | 2-6-9 | 17 | 8 |
| Jun 9, 2021 | Evening | 8-6-9 | 23 | 5 |
| Jun 9, 2021 | Midday | 9-4-7 | 20 | 2 |