Blue Square Emoji

A solid blue square. The world's favorite color in its most neutral geometric form. Emojipedia lists it as approved in Unicode 12.0 (2019) under the name "Large Blue Square."

Blue is the world's most popular color, with 57% of men and 35% of women ranking it as their top choice. It's also the most common logo color: 33% of top brands use blue (Facebook, LinkedIn, IBM, American Express, Samsung). Blue signals trust, stability, and professionalism.

Since 2023, 🟦 has taken on an additional meaning: the Stand Up to Jewish Hate campaign uses the blue square as a symbol of solidarity against antisemitism. The square's size, 2.4% of the screen or surface, represents the fact that Jewish people make up 2.4% of the US population but are victims of 55% of religiously motivated hate crimes. It appeared on The Voice, NFL broadcasts, and social media campaigns.

🟦 operates in three distinct lanes.

First: corporate and professional contexts. Blue is the safe choice in business. It's the Slack channel, the LinkedIn brand, the PowerPoint theme. When people use 🟦 in work contexts, it reads as neutral-to-positive, professional, and trustworthy.

Second: the Stand Up to Jewish Hate campaign. Since 2023, posting a blue square on social media signals solidarity against antisemitism. The campaign has been adopted by celebrities, sports leagues, and media outlets. The 2.4% sizing concept is visually striking.

Third: color coding and aesthetics. 🟦 appears in Wordle-style game results, tier lists, mood boards, and rainbow content alongside the other colored squares.

🟦 was approved in Unicode 12.0 (2019) as part of the colored shapes batch (L2/18-141). Blue had a circle (🔵) since 2010, but the square form was new.

Blue's dominance in branding isn't random. Our eyes are better at processing blue than other colors, making it easier to look at for long periods. Research suggests it stimulates the release of calming chemicals in the brain. This is why tech companies (Facebook, Twitter/X, LinkedIn, Samsung, Intel, HP, Dell) default to blue: they want you to feel comfortable spending time on their products.

The blue square's adoption by the Stand Up to Jewish Hate campaign in 2023 gave 🟦 a specific activist meaning. The Foundation to Combat Antisemitism chose the blue square because blue transcends cultures as a positive color. The 2.4% sizing rule makes the symbol both specific and visually memorable.

Global favorite: Blue is the most popular color in virtually every country surveyed. Unlike red (which is lucky in China but dangerous in the West) or green (sacred in Islam, lucky in Ireland, cursed hat in China), blue's positive associations are remarkably consistent worldwide.

Turkey and Central Asia: The "evil eye" amulet (nazar) is blue. Blue protects against bad luck. The connection is ancient and deeply held.

Judaism: The blue square has specific meaning since the 2023 Stand Up to Jewish Hate campaign. Blue also appears in the Israeli flag and the tallit (prayer shawl).

Corporate world: Blue is the most common logo color at 33% of top brands. Financial institutions lean blue because trust is their core promise. Tech companies lean blue because extended screen time requires a calming palette.

• •57% of men and 35% of women rank blue as their favorite color. It's the global #1 across virtually every country surveyed.
• •33% of top brand logos are blue. Facebook, LinkedIn, IBM, Samsung, Intel, HP, Dell, American Express. Blue is the default color of corporate trust.
• •Facebook is blue because Mark Zuckerberg is red-green colorblind and blue is the color he sees most clearly. A personal limitation became the brand color for 3 billion people.
• •The Stand Up to Jewish Hate campaign sizes the blue square at 2.4% of the screen, representing Jewish people being 2.4% of the US population but 55% of religiously motivated hate crime victims.
• •Blue's positive associations are remarkably consistent across cultures. While red means luck in China but danger in the West, blue reads as trustworthy and calm almost everywhere.

• •Stand Up to Jewish Hate (2023) — The Foundation to Combat Antisemitism adopted the blue square as a solidarity symbol against antisemitism. The square's sizing at 2.4% of the screen represents Jewish people being 2.4% of the US population but victims of 55% of religious hate crimes. It appeared on The Voice, NFL games, and across social media.
• •Facebook blue — Mark Zuckerberg chose blue for Facebook because he's red-green colorblind and blue is the color he sees best. That personal quirk became the default color of a platform used by 3 billion people.
• •"Blue chip" stocks — The term for high-value, stable investments comes from poker, where blue chips have the highest value. Blue's association with reliability extended from the casino to Wall Street.
• •The Turkish evil eye (nazar) — The blue glass amulet used across Turkey and Central Asia to ward off bad luck. Blue has been considered protective in this region for thousands of years.

• •🟦 sits at U+1F7E6U+1F7E6 in the Geometric Shapes Extended block. Official name: LARGE BLUE SQUARELARGE BLUE SQUARE.
• •Common shortcodes: :blue_square::blue_square: on GitHub and Slack.
• •Blue is the default chart color in many data visualization libraries (#6366f1 in this codebase). If using 🟦 in status dashboards, it typically means 'informational' rather than good/bad.

See the full Emoji Developer Tools guide for regex patterns, encoding helpers, and more.