HTML Entity for Uppercase H Circumflex (Ĥ)

Beginner
⏱️ 5 min read
📚 Updated: Jun 2026
🎯 1 Code Example
Unicode U+0124
HTML Entity for Uppercase H Circumflex tutorial illustration

What You'll Learn

How to display the uppercase H with circumflex (Ĥ) in HTML using named entity, hexadecimal, decimal, and CSS escape methods. In Unicode this is U+0124 (LATIN CAPITAL LETTER H WITH CIRCUMFLEX), the capital form of the circumflex H used in Esperanto and Chinook Jargon. It sits in the Latin Extended-A block.

Render it with Ĥ, Ĥ, Ĥ, or CSS escape \0124. The named entity Ĥ is often the most readable option in HTML source.

⚡ Quick Reference — Uppercase H Circumflex Entity

Unicode U+0124

Latin Extended-A

Hex Code Ĥ

Hexadecimal reference

HTML Code Ĥ

Decimal reference

Named Entity Ĥ

Most readable option

Reference Table
Name           Value
────────────   ──────────
Unicode        U+0124
Hex code       Ĥ
HTML code      Ĥ
Named entity   Ĥ
CSS code       \0124
Meaning        Latin capital letter H with circumflex
Related        U+0125 = ĥ (lowercase pair)
Block          Latin Extended-A (U+0100–U+017F)
1

Complete HTML Example

A simple example showing the uppercase H circumflex (Ĥ) using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape:

html
<!DOCTYPE html>
<html>
<head>
 <style>
  #point:after{
   content: "\0124";
  }
 </style>
</head>
<body>
<p>Symbol (hex): &#x0124;</p>
<p>Symbol (decimal): &#292;</p>
<p>Symbol (named): &Hcirc;</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>
Try it Yourself

🌐 Browser Support

The uppercase H circumflex (Ĥ) and the named entity &Hcirc; are supported in modern browsers:

Chrome1+
Firefox1+
Safari1+
Edge12+
Opera4+
Android4.4+
iOS Safari1+

👀 Live Preview

See the uppercase H circumflex (Ĥ) in Esperanto and linguistic contexts:

Large glyphĤ
Named entity&Hcirc; renders as Ĥ
Case pairĤ (uppercase) / ĥ (lowercase, &hcirc;)
Used inEsperanto orthography (e.g. Ĥoro = choir)
Not the same asplain H (U+0048)  |  Ȟ (h caron)
Numeric refs&#x0124; &#292; &Hcirc; \0124

🧠 How It Works

1

Hexadecimal Code

&#x0124; uses the Unicode hexadecimal value 0124 to display the uppercase H circumflex. The x prefix indicates hexadecimal format.

HTML markup
2

Decimal HTML Code

&#292; uses the decimal Unicode value 292 to display the same character. A common method for Latin Extended-A letters.

HTML markup
3

Named Entity

&Hcirc; is the standard named entity for Ĥ—readable in source HTML and part of the HTML5 entity set.

HTML markup
4

CSS Entity

\0124 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.

CSS stylesheet
=

Same visual result

All four methods produce the glyph: Ĥ. Unicode U+0124 sits in Latin Extended-A. Lowercase pair: U+0125 (&hcirc;). Do not confuse with plain H (U+0048) or Ȟ (h caron).

✅

Use Cases

The uppercase H circumflex (Ĥ) is commonly used in:

🌐 Esperanto

Esperanto language websites, courses, and content requiring correct Ĥ spelling.

📚 Language learning

Esperanto dictionaries and courses teaching circumflex letters.

🔤 Chinook Jargon

Chinook Jargon texts and linguistic materials using circumflex H.

📄 Academic publishing

Constructed-language studies and typographic content with Latin Extended-A characters.

🔍 Forms & search

Accept and display Ĥ in inputs and search for Esperanto text.

♿ Accessibility

Proper encoding helps screen readers handle Ĥ in localized text.

🎨 Typography

Font design and character set demonstrations for circumflex diacritics.

💡 Best Practices

Do

  • Use &Hcirc; in HTML when possible for readability
  • Serve pages as UTF-8; you can also type Ĥ directly in UTF-8 source
  • Use fonts that support Latin Extended-A (U+0100–U+017F)
  • Set lang="eo" on Esperanto content for correct pronunciation hints
  • Link to the lowercase pair &hcirc; (ĥ) when documenting both forms

Don’t

  • Substitute plain H when Ĥ is required for correct spelling
  • Confuse circumflex Ĥ with caron Ȟ or plain H
  • Put CSS escape \0124 in HTML text nodes
  • Use padded Unicode notation like U+00124—the correct value is U+0124
  • Use \00124 in CSS—the correct escape is \0124

Key Takeaways

1

Four references render Ĥ; named entity is most readable

&#x0124; &#292; &Hcirc;
2

For CSS stylesheets, use the escape in the content property

\0124
3

Unicode U+0124 — LATIN CAPITAL LETTER H WITH CIRCUMFLEX

4

Esperanto and Chinook Jargon; pair with &hcirc; (U+0125)

5

Previous: Uppercase H Caron (Ȟ)   Next: Uppercase H Double Struck

❓ Frequently Asked Questions

Use &Hcirc; (named), &#x0124; (hex), &#292; (decimal), or \0124 in CSS content. The named entity &Hcirc; is the most readable for HTML content.
U+0124 (LATIN CAPITAL LETTER H WITH CIRCUMFLEX). Latin Extended-A block. Hex 0124, decimal 292. Used in Esperanto and Chinook Jargon, among other contexts.
In Esperanto language content, Chinook Jargon text, linguistic and phonetic transcription, language learning and dictionary sites, and any content requiring correct circumflex orthography.
HTML code (&#292; or &#x0124;) or the named entity &Hcirc; is used in HTML content. The CSS entity (\0124) is used in CSS, e.g. in the content property of pseudo-elements. Both produce Ĥ but in different contexts.
The uppercase H circumflex (Ĥ) is used in Esperanto (capital form of ĥ) and Chinook Jargon. It may also appear in constructed-language content, linguistic research, and academic texts requiring precise circumflex diacritical marks.

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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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