Keycap Number Sign Emoji

The keycap number sign emoji displays a bold hash symbol (#) enclosed in a blue square with rounded corners, mimicking the appearance of a keyboard key or button. This #️⃣ symbol represents the ubiquitous hashtag function that revolutionized social media organization and content discovery. The design combines the traditional telephone keypad aesthetic with modern digital communication, creating an instantly recognizable icon for tagging and categorization.

Different platforms render the number sign keycap with consistent blue backgrounds but varying typography styles. Apple's version features clean, modern lettering with subtle gradients and rounded edges for a premium appearance. Google emphasizes bold, readable characters with flat design principles, while Microsoft and Samsung maintain professional styling with slight variations in corner radius and shadow effects for dimensional appearance.

Social media platforms have made the #️⃣ emoji synonymous with hashtag culture and trending topics. Twitter/X users employ it when discussing viral hashtags or trending conversations, while Instagram content creators use it to emphasize hashtag strategies and discoverability. TikTok users incorporate it in challenge announcements and trend participation, and WhatsApp groups use it for organizing topics and creating searchable content threads.

Encoded as U+0023 + U+FE0F + U+20E3, this symbol has been available since Unicode 6.0 and Emoji 0.6, establishing it as a foundational digital communication tool. It belongs to the keycap emoji family alongside numbered buttons and asterisk symbols, but holds unique significance in internet culture. The hash symbol's evolution from telephone keypads to social media hashtags represents digital communication's rapid transformation.

Use the keycap number sign emoji when discussing hashtag strategies, trending topics, or social media organization in your content. It's particularly effective for announcing campaigns, explaining tagging systems, or referencing viral internet phenomena and social media culture. Copy this essential social media symbol from CopyThatEmoji.com to enhance your digital marketing and online communication efforts.