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HTML Entity Detail
HTML Entity - Black Rectangle
Black Rectangle is a geometric shapes used in UI design, diagrams, and visual layouts. This HTML entity enables web developers to display this character reliably across all browsers without encoding issues.
Symbol preview
▬
Unicode
U+25AC
HTML entity
CSS code
\25AC
Usage Examples
Use this HTML entity in user interfaces, bullet lists, diagrams, and visual design elements like ■ for filled squares and ● for bullets.
Related Entities
Common Mistakes
⚠️
Mistake: Using letters or numbers instead of proper geometric shapes for UI elements
Fix: Use the correct Unicode geometric shape (■ square, ● circle, ◆ diamond) rather than approximating with letters like O, 0, or □.
⚠️
Mistake: Confusing similar geometric shapes that look alike at small sizes
Fix: At small sizes, ■ (black square) and ● (black circle) may look similar. Test at actual rendering size and ensure the shape conveys the intended meaning in context.
Black Rectangle
Select any code to highlight it before copying.
Category: Geometric Shapes
| Unicode | U+25AC |
|---|---|
| Hex Code | ▬ |
| HTML Code | ▬ |
| HTML Entity | |
| CSS Code | \25AC |
| Windows Shortcut | |
| Mac Shortcut | |
HTML code example
CSS code example
Last updated: 21 Jun 2026
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