HTML Entity for Uppercase U Circumflex (Û)
What You'll Learn
How to display the uppercase U with circumflex (Û) in HTML using named entity, hexadecimal, decimal, and CSS escape methods. This character is U+00DB in the Latin-1 Supplement block. The circumflex (^) diacritic appears in French (sûr, dû) and Kurdish orthography when capitalized.
Render it with Û, Û, Û, or CSS escape \00DB. The named entity Û is often the most readable option in HTML source.
⚡ Quick Reference — Uppercase U Circumflex Entity
U+00DBLatin-1 Supplement
ÛHexadecimal reference
ÛDecimal reference
ÛMost readable option
Name Value
──────────── ──────────
Unicode U+00DB
Hex code Û
HTML code Û
Named entity Û
CSS code \00DB
Meaning Latin capital letter U with circumflex
Related U+00FB = û (lowercase)
Block Latin-1 Supplement (U+0080–U+00FF)Complete HTML Example
A simple example showing the uppercase U circumflex (Û) using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape:
<!DOCTYPE html>
<html>
<head>
<style>
#point:after{
content: "\00DB";
}
</style>
</head>
<body>
<p>Symbol (hex): Û</p>
<p>Symbol (decimal): Û</p>
<p>Symbol (named): Û</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>🌐 Browser Support
The uppercase U circumflex (Û) and the named entity Û are universally supported in modern browsers:
👀 Live Preview
See the uppercase U circumflex (Û) in language and content contexts:
U (U+0055) | Ú (acute) | Ù (grave) | Ü (diaeresis)🧠 How It Works
Named Entity
Û is the standard named entity for Û—readable in source HTML and part of the HTML Latin-1 entity set.
Hexadecimal Code
Û uses the Unicode hexadecimal value DB to display the character. The x prefix indicates hexadecimal format.
Decimal HTML Code
Û uses the decimal Unicode value 219 to display the same character. A common method for Latin-1 characters.
CSS Entity
\00DB is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.
Same visual result
All four methods produce the glyph: Û. Unicode U+00DB sits in Latin-1 Supplement. Lowercase equivalent: U+00FB (û). Do not confuse with plain U (U+0055), Ú (acute), Ù (grave), or Ü (diaeresis).
Use Cases
The uppercase U circumflex (Û) is commonly used in:
Capitalized words like SÛR, DÛ, and JEÛNE. The circumflex often marks a historical omitted letter such as s.
Û is a distinct vowel in Kurdish Latin orthography and appears in native words and place names when capitalized.
Dictionaries, place names, product localization, and any content requiring proper accented characters.
French and Kurdish courses, textbooks, and glossaries showing correct spelling with Û.
Using the correct character (U+00DB) with proper lang attributes ensures assistive technologies pronounce content correctly.
Phonetic transcription and linguistic descriptions using the circumflex diacritic over U.
Using \00DB in the CSS content property to insert Û via pseudo-elements.
💡 Best Practices
Do
- Use
Ûin HTML when possible for readability - Serve pages as UTF-8; you can also type Û directly in UTF-8 source
- Set
langattributes (e.g.lang="fr",lang="ku") on language-specific content - Use fonts that support Latin-1 Supplement characters
- Distinguish Û (circumflex) from Ú (acute), Ù (grave), and Ü (diaeresis)
Don’t
- Substitute plain
Uwhen Û is required in French or Kurdish text - Confuse Û (circumflex) with Ú (acute), Ù (grave), Ü (diaeresis), or plain U
- Put CSS escape
\00DBin HTML text nodes - Use the old incorrect CSS escape
\000DB—the correct value is\00DB - Double-encode entity references in dynamically generated HTML
Key Takeaways
Four references render Û; named entity is most readable
Û Û ÛFor CSS stylesheets, use the escape in the content property
\00DBUnicode U+00DB — LATIN CAPITAL LETTER U WITH CIRCUMFLEX
Lowercase pair is U+00FB (û, û)
Previous: Uppercase U Caron (Ǔ) Next: Uppercase U Diaeresis Acute
❓ Frequently Asked Questions
Û (named), Û (hex), Û (decimal), or \00DB in CSS content. The named entity Û is the most readable for HTML content.U+00DB (LATIN CAPITAL LETTER U WITH CIRCUMFLEX). Latin-1 Supplement block. Hex DB, decimal 219. Used in French, Kurdish, and other languages. Lowercase form is U+00FB (û).Û or Û) or the named entity Û is used in HTML content. The CSS entity (\00DB) is used in CSS, e.g. in the content property of pseudo-elements. Both produce Û but in different contexts.Û. It is part of the standard HTML Latin-1 entity set and is well supported. You can also use Û or Û for numeric references.Explore More HTML Entities!
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