U+003A ":" Colon Unicode Character

Unicode Version 17.0

:

U+003A ":" Colon is a punctuation mark used to introduce a list, a quotation, an explanation, or a related idea in written language. It commonly appears in time notation to separate hours from minutes, in mathematical ratios, and in programming languages for labeling statements or defining key-value pairs. As a standardized character in the ASCII range, the colon occupies code point 003A in Unicode and is a fundamental element of typography and digital text encoding worldwide.

General Properties

Code Point U+003A
Version Added 1.1
Name Colon
Block Basic Latin
General Category Other Punctuation
Canonical Combining Class Not Reordered
Bidirectional Class Common Separator

Encodings

HTML Decimal Encoding :
HTML Hex Encoding :
UTF-8 Encoding 0x3A
UTF-16 Encoding 0x003A
UTF-32 Encoding 0x0000003A
C/C++/Java Escape \u003a

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
NFKC Quick Check Yes
NFKD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Infix Numeric Separator
East Asian Width Narrow
Case Ignorable Yes
Script Common
Script Extensions Common
Indic Syllabic Category Other
Pattern Syntax Yes
Terminal Punctuation Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Mid Letter
Sentence Break SContinue