Black Square (U+25A0) | The Visual Unicode Marker

Learn about the Black Square (U+25A0) symbol, its meaning, and uses in formatting, UI, and design.

Table of Contents

  • Pro Tips for Developers
  • Highlights Black Square

    • What Is a Black Square?

    The Black Square (U+25A0) is a geometric character used for:

    • Visual separation in documents
    • List item bullets
    • UI design elements

    Technical Specifications

    Property Value
    Unicode U+25A0
    HTML Entity ■
    CSS Code \25A0
    ALT Code Alt+254 (Windows)
    Category Geometric Shape

    Creative Implementations

    css

    /* Custom bullet points */
ul.custom-bullets li::before {
 content: "\25A0";
 margin-right: 0.5em;
 color: #2c3e50;
}

    markdown

    ? **Important Notice**
? System Maintenance
? Scheduled Downtime

    Black Square Variants

    Character Unicode Appearance Use Case
    ? Black Square U+25A0 Solid Primary bullet points
    ? White Square U+25A1 Hollow Unchecked items
    ? Black Small Square U+25AA Smaller Subtle indicators

    Pro Tips for Developers

    For Black Square:

    html
    •  
    • Dark Mode
    •  
    • Offline Support
    •  

    Highlights Black Square

    Feature Black Square (U+25A0)
    Visibility Visible
    Primary Use Visual marking
    Keyboard Input Special input
    CSS Control content property
    Accessibility Read as “black square.”