The Black Rectangle symbol (▬). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Geometric Shapes.
The quickest way is to copy ▬ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
▬ is U+25AC (decimal 9644).
Use ▬ in HTML to render ▬ on a web page.
On Windows you can type it with Alt+9644 (hold Alt and enter the number on the numeric keypad).
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