Prohibition Symbol - Universal Sign for "No" or "Not Allowed" #63579 (License: Personal Use)

This high-contrast image features a standard prohibition symbol: a thick red circle crossed by a diagonal red line, set against a solid black background. The design follows ISO 3864-1 standards for safety signage, ensuring maximum visibility and immediate recognition. It is commonly used to indicate banned activities, restricted zones, or prohibited items in public, industrial, and digital interfaces.

Used in safety signage, web UIs (e.g., disabled buttons or restricted access), regulatory documentation, and educational materials to convey prohibition. Matches user intent for understanding or implementing visual warnings and compliance indicators.