| HTML Entity (dec) | ▬ |
| HTML Entity (hex) | ▬ |
| UTF-8 (hex) | 0xe296ac / 0xe2 0x96 0xac (3 bytes) |
| UTF-8 (dec) | 226, 150, 172 (3 bytes) |
| UTF-16-BE (hex) | 0x25ac / 0x25 0xac (2 bytes) |
| UTF-16-BE (dec) | 37, 172 (2 bytes) |
| UTF-32-BE (hex) | 0x25ac / 0x00 0x00 0x25 0xac (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 37, 172 (4 bytes) |
| C/C++/Java source code | "\u25ac" |
| Python source code | "\u25ac" |