Left Black Lenticular Bracket
U+3010CJK Symbols and Punctuation
Also known as open black lens bracket
Copy and paste 【. The Left Black Lenticular Bracket character has Unicode code point U+3010 and decimal HTML code 【.
Symbol codes
- Unicode
U+3010- HTML Code
【- CSS Code
\3010- HEX Code
【
Technical properties
Unicode 18.0.0
- Code point
- U+3010
- Decimal
- 12304
- Unicode name
- LEFT BLACK LENTICULAR BRACKET
- Block
- CJK Symbols and Punctuation · U+3000–U+303F
- General category
- Open Punctuation (Ps)
- Script
- Common
- Introduced
- Unicode 1.1
- JavaScript
- "\u3010"
Appears in

About Left Black Lenticular Bracket
【 is encoded in Unicode as code point U+3010 (decimal 12304). Its official Unicode name is LEFT BLACK LENTICULAR BRACKET.
It belongs to the CJK Symbols and Punctuation block (U+3000–U+303F), its General Category is Open Punctuation (Ps), and it was added in Unicode 1.1, released in 1993. Its script value is Common: it is shared across writing systems rather than belonging to one.
Sources: Unicode Character Database 18.0.0.
How to type or insert Left Black Lenticular Bracket
- Any device
- Select Copy symbol, then paste with Ctrl+V, or ⌘+V on a Mac.
- Microsoft Word
- Type
3010, then press Alt+X. - macOS Character Viewer
- Press Control+⌘+Space and search for “left black lenticular bracket”.
- Linux (GTK and IBus)
- Press Ctrl+Shift+U, type
3010, then press Space. - HTML
【. In a UTF-8 page you can also paste the character itself.- CSS
content: "\3010";in a::beforeor::afterrule.- JavaScript
"\u3010"
Common questions about Left Black Lenticular Bracket
What is the Left Black Lenticular Bracket symbol?
【 (Left Black Lenticular Bracket) is an opening bracket in Unicode’s CJK Symbols and Punctuation block. Its code point is U+3010, and it has been part of the standard since Unicode 1.1 (1993). It is also known as open black lens bracket.
How do I copy and paste the Left Black Lenticular Bracket symbol?
Select Copy symbol at the top of this page, then paste with Ctrl+V on Windows and Linux or ⌘+V on a Mac. On a phone, tap Copy symbol, then touch and hold where you want it and choose Paste. 【 pastes as ordinary text, so it works in documents, messages, and code.
How do I type the Left Black Lenticular Bracket symbol on Windows?
In Microsoft Word, type 3010 and press Alt+X to turn the code into 【. In any app, open Character Map from the Start menu, search for “left black lenticular bracket”, then select and copy the character.
How do I type the Left Black Lenticular Bracket symbol on a Mac?
Press Control+⌘+Space to open the Character Viewer, search for “left black lenticular bracket”, and double-click the result to insert it.
How do I type the Left Black Lenticular Bracket symbol on an iPhone or Android phone?
The simplest way is to copy it from this page and paste it where you need it. If you use it often, save it as a text shortcut: on iPhone, go to Settings > General > Keyboard > Text Replacement; with Gboard on Android, go to Gboard settings > Dictionary > Personal dictionary.
Can I use the Left Black Lenticular Bracket symbol in Word, Google Docs, and social media?
Yes. 【 is a standard Unicode character, so you can paste it into Microsoft Word, Google Docs, emails, and posts or bios on Instagram, X, Facebook, and TikTok. In Google Docs you can also choose Insert > Special characters and search for “left black lenticular bracket”. In Word, choose Insert > Symbol > More Symbols, set from to Unicode (hex), and enter 3010 as the character code.
Is the Left Black Lenticular Bracket symbol an emoji?
No. 【 is a text symbol, not an emoji. It takes the color and size of the surrounding text, and its exact shape depends on the font.
Why does the Left Black Lenticular Bracket symbol show as a box or question mark?
An empty box or a question mark means the font on that device has no glyph for 【. The character is still there: it appears correctly wherever a font covers Unicode’s CJK Symbols and Punctuation block, and free font families such as Google Noto cover nearly all of Unicode.
What are the HTML and CSS codes for the Left Black Lenticular Bracket symbol?
In HTML, write 【 (decimal) or 【 (hexadecimal). In CSS, use content: "\3010"; in a ::before or ::after rule, and in JavaScript "\u3010". See all HTML codes.