HTML Entity for Half Ring Below (U+0351)

What You'll Learn
How to insert the combining Half Ring Below (U+0351) in HTML using hexadecimal, decimal, and CSS escape methods. This mark is U+0351 (COMBINING HALF RING BELOW) in the Combining Diacritical Marks block (U+0300–U+036F). It renders below a base letter and appears in IPA and other phonetic notation.
Place it after the base character (e.g. a͑). Use ͑, ͑, or CSS \351. There is no named HTML entity. Do not confuse U+0351 with U+031C (COMBINING LEFT HALF RING BELOW, ̜)—a different code point used in some charts.
⚡ Quick Reference — Half Ring Below
U+0351Combining Diacritical Marks
͑Hexadecimal reference
͑Decimal reference
—Use numeric codes only
Name Value
──────────── ──────────
Unicode U+0351
Hex code ͑
HTML code ͑
Named entity (none)
CSS code \351
Meaning Combining half ring below
Position Below base letter
Related U+031C = left half ring below (̜)Complete HTML Example
This example shows the Half Ring Below (U+0351) with a base letter using hexadecimal code, decimal HTML code, and a CSS content escape. Always place the combining mark after the base character:
<!DOCTYPE html>
<html>
<head>
<style>
#point:after{
content: "\351";
}
</style>
</head>
<body>
<p>Half Ring Below using Hexadecimal: a͑ o͑</p>
<p>Half Ring Below using Decimal: a͑ o͑</p>
<p id="point">Half Ring Below using CSS Entity: a</p>
</body>
</html>🌐 Browser Support
The Half Ring Below (U+0351) renders when fonts support Combining Diacritical Marks below-base positioning:
👀 Live Preview
Half Ring Below (U+0351) on base letters, compared with left half ring below (U+031C):
🧠 How It Works
Hexadecimal Code
͑ uses Unicode hexadecimal 0351. Place it after the base letter (e.g. a͑) so the half ring stacks below.
Decimal HTML Code
͑ uses decimal Unicode value 849 for the same combining character.
CSS Entity
\351 is used in CSS, typically in the content property of ::after when the base letter is already in the element.
Combining below the base
Order in HTML: base letter, then combining mark. Next: Hammer Pick (⛏).
Use Cases
The Half Ring Below (U+0351) is commonly used in:
International Phonetic Alphabet and linguistic transcription.
Systems that mark specific sounds with a half ring below letters.
Apps and materials showing pronunciation with diacritics.
Linguistic research, dictionaries, and scholarly content.
Scripts and fonts that use below-base diacritical marks.
Content requiring correct combining-mark stacking in HTML.
💡 Best Practices
Do
- Place U+0351 after the base character in markup
- Use IPA-friendly fonts (Charis SIL, DejaVu Sans, etc.)
- Declare UTF-8 with
<meta charset="utf-8"> - Verify your notation standard requires U+0351, not U+031C
- Test below-base positioning across browsers
Don’t
- Put the combining mark before the base letter
- Use U+031C (̜) when you need U+0351 (half ring below)
- Expect a named HTML entity for U+0351
- Use CSS
\351in HTML text nodes - Assume every font positions below-base marks identically
Key Takeaways
Two HTML numeric references plus CSS insert U+0351
͑ ͑For CSS, use \351 in content after the base letter
Unicode U+0351 — COMBINING HALF RING BELOW
Not the same as U+031C (left half ring below, ̜)
Next: Hammer Pick (⛏)
❓ Frequently Asked Questions
͑ (hex), ͑ (decimal), or \351 in CSS content. There is no named entity. Place the code after a base character (e.g. a͑) so the mark appears below it.U+0351 (COMBINING HALF RING BELOW). Combining Diacritical Marks block. Hex 0351, decimal 849. Placed below a base letter.͑ or ͑) go in markup after the base letter. The CSS escape \351 is used in stylesheets, typically on ::after when the base letter is in the element.U+0351 is COMBINING HALF RING BELOW (͑ / ͑). U+031C is COMBINING LEFT HALF RING BELOW (̜ / ̜). They are related IPA marks but distinct Unicode code points.Explore More HTML Entities!
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