| HTML Entity (dec) | ▯ | 
| HTML Entity (hex) | ▯ | 
| UTF-8 (hex) | 0xe296af / 0xe2 0x96 0xaf (3 bytes) | 
| UTF-8 (dec) | 226, 150, 175 (3 bytes) | 
| UTF-16-BE (hex) | 0x25af / 0x25 0xaf (2 bytes) | 
| UTF-16-BE (dec) | 37, 175 (2 bytes) | 
| UTF-32-BE (hex) | 0x25af / 0x00 0x00 0x25 0xaf (4 bytes) | 
| UTF-32-BE (dec) | 0, 0, 37, 175 (4 bytes) | 
| C/C++/Java source code | "\u25af" | 
| Python source code | "\u25af" |