HTML Entity for Trigram Lake (☱)

Beginner
⏱️ 5 min read
📚 Updated: Jun 2026
🎯 1 Code Example
Unicode U+2631

What You'll Learn

How to display the Trigram Lake (☱) in HTML using hexadecimal, decimal, and CSS escape methods. This symbol is U+2631 (TRIGRAM FOR LAKE) in the Miscellaneous Symbols block (U+2600–U+26FF)—one of the eight trigrams from the I Ching (Yijing, Book of Changes), representing the lake or marsh element (Dui).

Render it with ☱, ☱, or CSS escape \2631. There is no named HTML entity. Do not confuse ☱ with U+262F (☯, yin yang / taijitu), U+2630 (☰, heaven trigram), or U+2635 (☵, water trigram).

⚡ Quick Reference — Trigram Lake

Unicode U+2631

Miscellaneous Symbols

Hex Code ☱

Hexadecimal reference

HTML Code ☱

Decimal reference

Named Entity

Use numeric codes only

Reference Table
Name           Value
────────────   ──────────
Unicode        U+2631
Hex code       ☱
HTML code      ☱
Named entity   (none)
CSS code       \2631
Block          Miscellaneous Symbols (U+2600–U+26FF)
Official name  TRIGRAM FOR LAKE
Related        U+2630 = heaven (☰), U+2635 = water (☵), U+262F = yin yang (☯)
1

Complete HTML Example

This example demonstrates the Trigram Lake (☱) using hexadecimal code, decimal HTML code, and a CSS content escape (no named entity):

html
<!DOCTYPE html>
<html>
<head>
 <style>
  #point:after{
   content: "\2631";
  }
 </style>
</head>
<body>
<p>Using Hexadecimal: &#x2631;</p>
<p>Using HTML Code: &#9777;</p>
<p id="point">Using CSS Entity: </p>
</body>
</html>
Try it Yourself

🌐 Browser Support

The Trigram Lake symbol renders in modern browsers when fonts include Miscellaneous Symbols glyphs:

Chrome 1+
Firefox 1+
Safari 1+
Edge 12+
Opera 4+
Android 4.4+
iOS Safari 1+

👀 Live Preview

See the Trigram Lake (☱) in I Ching context:

I Ching ☱ Lake (Dui) trigram
Large glyph
Trigram set ☰ ☱ ☵ ☷
Numeric refs &#x2631; &#9777; \2631

🧠 How It Works

1

Hexadecimal Code

&#x2631; uses the Unicode hexadecimal value 2631 to display the Trigram Lake symbol.

HTML markup
2

Decimal HTML Code

&#9777; uses the decimal Unicode value 9777 to display the same character.

HTML markup
3

CSS Entity

\2631 is used in CSS stylesheets in the content property of pseudo-elements like ::before and ::after.

CSS stylesheet
=

Same visual result

All three methods produce . Unicode U+2631 in Miscellaneous Symbols. No named entity. Previous: Trigram Heaven. Next: Trigram Mountain.

Use Cases

The Trigram Lake (☱) commonly appears in:

☯ I Ching

Divination apps and hexagram references.

☪ Taoist Symbols

Spiritual content and philosophical materials.

🇨🇳 Chinese Philosophy

Educational platforms on I Ching and Taoism.

🎨 Cultural Design

Logos and creative projects with trigram imagery.

🕊 Spiritual Interfaces

Meditation apps and wellness websites.

🎓 Education

Tutorials on trigrams and the eight elements.

📚 Reference

Unicode and symbol encyclopedia pages.

💡 Best Practices

Do

  • Use &#x2631; or &#9777; for the lake trigram
  • Add title or aria-label (e.g. “Lake trigram”) for accessibility
  • Pair with other trigram symbols when showing the full set
  • Verify fonts support Miscellaneous Symbols (U+2631)
  • Be mindful of cultural context when using I Ching symbols internationally

Don’t

  • Confuse ☱ (lake trigram) with ☯ (yin yang taijitu)
  • Confuse ☱ (lake) with ☵ (water) or other trigram code points
  • Put CSS escape \2631 directly in HTML text nodes
  • Expect a named HTML entity for U+2631
  • Use HTML entities in JS (use \u2631 instead)

Key Takeaways

1

Two HTML references both render ☱

&#x2631; &#9777;
2

For CSS stylesheets, use the escape in the content property

\2631
3

Unicode U+2631 — Trigram For Lake (Dui)

4

No named entity—use numeric references or CSS escape

5

Miscellaneous Symbols block (U+2600–U+26FF) for I Ching trigrams

❓ Frequently Asked Questions

Use &#x2631; (hex), &#9777; (decimal), or \2631 in CSS content. There is no named HTML entity. All three produce ☱.
U+2631 (TRIGRAM FOR LAKE). Miscellaneous Symbols block (U+2600–U+26FF). Hex 2631, decimal 9777. One of the eight I Ching trigrams, representing lake or marsh (Dui).
For I Ching content, Taoist symbols, Chinese philosophy websites, symbolic and cultural designs, spiritual interfaces, and educational material on trigrams and hexagrams.
HTML numeric references (&#9777; or &#x2631;) go directly in markup. The CSS escape \2631 is used in stylesheets, typically in the content property of pseudo-elements. Same visual result, different layers of the stack.
Named HTML entities cover common ASCII, Latin-1, and select symbols. Miscellaneous Symbols like ☱ use numeric hex or decimal references—standard practice for I Ching trigram characters.

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About the author

Mari Selvan M P
Mari Selvan M P 🔗

Developer, cloud engineer, and technical writer

  • Experience 12 years building web and cloud systems
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I write practical tutorials so students and working developers can learn by doing—from databases and APIs to deployment on AWS.

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