U+FA3A "墨" CJK Compatibility Ideograph-# Unicode Character

U+FA3A "墨" CJK Compatibility Ideograph-# is a compatibility ideograph included in the Unicode standard specifically to represent a variant form of the CJK character for "ink" (墨) as used in the Japanese ARIB (Association of Radio Industries and Businesses) standard for digital broadcasting. This character was added to the Compatibility Ideographs block to ensure round-trip conversion compatibility with legacy encoding systems, rather than to represent a distinct semantic meaning. Its primary purpose is to preserve the exact glyph shape required by those older systems, and it is not intended for general use in modern text; instead, its standard counterpart, U+58A8 "墨", is preferred for ordinary writing and digital communication.

General Properties

Code Point	U+FA3A
Version Added	3.2
Name	CJK Compatibility Ideograph-#
Block	CJK Compatibility Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"墨" U+58A8 CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	墨
HTML Hex Encoding	墨
UTF-8 Encoding	0xEF 0xA8 0xBA
UTF-16 Encoding	0xFA3A
UTF-32 Encoding	0x0000FA3A
C/C++/Java Escape	\ufa3a

Unicode Properties

Full Composition Exclusion	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"墨" U+58A8 CJK Unified Ideograph-#
NFKC Simple Casefold	"墨" U+58A8 CJK Unified Ideograph-#
Script	Han
Script Extensions	Han
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	OLetter
Ideographic	Yes

Unihan Properties

kCompatibilityVariant	U+58A8
kIRG_JSource	J3-2F5E
kJinmeiyoKanji	2010:U+58A8
kJIS0213	1,15,62
kRSAdobe_Japan1_6	C+13387+32.3.12 C+13387+203.12.3
kRSUnicode	32.12
kTotalStrokes	15
kUnihanCore2020	J