U+3010

Left black lenticular【

Left black lenticular is a monochrome text character from the Unicode CJK Symbols and Punctuation block, listed here under Brackets and Japanese & CJK Symbols. Copy it with one click, or use the hex, octal, decimal and HTML entity codes below to embed it in web pages, code, and documents.

Quick facts

Unicode
U+3010
Decimal
12304
Hex
0x3010
Octal
0o30020

Unicode identity

FormatValueCopy
Code pointOfficial Unicode notationU+3010
Official nameUnicodeData.txt, Unicode 18.0.0LEFT BLACK LENTICULAR BRACKET
Unicode 1.0 nameLegacy aliasOPENING BLACK LENTICULAR BRACKET
DecimalBase 1012304
HexadecimalBase 160x3010
OctalBase 80o30020
BinaryBase 20011000000010000
General categoryPunctuation, openPs
Unicode blockU+3000–U+303FCJK Symbols and Punctuation
PlaneBasic Multilingual Plane (BMP, Plane 0)

HTML & CSS

FormatValueCopy
HTML entity (decimal)【
HTML entity (hex)【
CSS content escapeUse inside content: "…"\3010
URL encodedPercent-encoded UTF-8%E3%80%90

Programming languages

FormatValueCopy
JavaScript / TypeScript\u3010
JSONUTF-16 surrogate pairs\u3010
Python\u3010
Java / C# / Kotlin\u3010

Byte encodings

FormatValueCopy
UTF-83 bytesE3 80 90
UTF-16 (BE)3010
UTF-32 (BE)00003010

How to type Left black lenticular

  • Windows

    Hold Alt and type +3010 with the hex numeric keypad option enabled, or type 3010 then press Alt+X in Word and most Office apps.

  • macOS

    Enable the Unicode Hex Input keyboard, hold Option, and type 3010. Or open Character Viewer (Control+Command+Space) and search "Left black lenticular".

  • Linux

    Press Ctrl+Shift+U, type 3010, then press Space or Enter in GTK apps. IBus and most terminals support the same sequence.

  • HTML, CSS & code

    Paste the character directly, or use the escapes above: 【 in HTML, \3010 in CSS, and \u3010 in JavaScript.

Official Unicode reference

Character name
LEFT BLACK LENTICULAR BRACKET
Unicode 1.0 name
OPENING BLACK LENTICULAR BRACKET
Block
CJK Symbols and Punctuation (U+3000–U+303F)
General category
Ps — Punctuation, open

Data from the Unicode Character Database, version 18.0.0. See the official code chart for the CJK Symbols and Punctuation block: U3000.pdf (PDF, unicode.org).

Frequently asked questions

How do I copy the Left black lenticular symbol?

Click the Copy button at the top of this page, or select 【 and press Ctrl+C (Cmd+C on Mac). It is plain Unicode text, so it pastes into documents, chats, code, and design tools.

What is the Unicode code point for Left black lenticular?

Left black lenticular is U+3010 (decimal 12304, hexadecimal 0x3010, octal 0o30020). It lives in the CJK Symbols and Punctuation block (U+3000–U+303F) of the Basic Multilingual Plane (BMP, Plane 0).

What is the official Unicode name of Left black lenticular?

The Unicode Standard (version 18.0.0) names this character "LEFT BLACK LENTICULAR BRACKET"; its Unicode 1.0 name was "OPENING BLACK LENTICULAR BRACKET". Its General_Category is Ps (Punctuation, open).

What is the HTML code for Left black lenticular?

Use 【 or 【. In CSS, use content: "\3010".

How do I type Left black lenticular in code?

JavaScript: "\u3010". Python: "\u3010". JSON and Java: "\u3010". The UTF-8 byte sequence is E3 80 90.

Is Left black lenticular an emoji?

No. Left black lenticular is a text symbol and renders as a monochrome glyph in the current font. Some platforms may offer an emoji variant when U+FE0F is appended.

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