U+9ED1 "黑" CJK Unified Ideograph-# Unicode Character

U+9ED1 "黑" CJK Unified Ideograph-# is a standard East Asian logogram representing the color black, darkness, or something hidden and secret, and it is used across multiple languages including Chinese, Japanese, and Korean. In Chinese, it is pronounced "hēi" and is frequently found in compound words such as "黑色" (black color) and "黑板" (blackboard), while in Japanese it is read as "kuro" in native contexts or "koku" in Sino-Japanese compounds, often symbolizing ink, evil, or illegality. The character is composed of radical 黑, which itself depicts a soot-stained or darkened surface, and its historical glyph form has evolved from ancient oracle bone script to the modern standardized shape. As a unified CJK character, it ensures consistent representation across digital text systems for users of these languages, appearing in both simplified and traditional writing systems.

General Properties

Code Point	U+9ED1
Version Added	1.1
Name	CJK Unified Ideograph-#
Block	CJK Unified Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	黑
HTML Hex Encoding	黑
UTF-8 Encoding	0xE9 0xBB 0x91
UTF-16 Encoding	0x9ED1
UTF-32 Encoding	0x00009ED1
C/C++/Java Escape	\u9ed1

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	Ideographic
East Asian Width	Wide
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
Unified Ideograph	Yes

Unihan Properties

kBigFive	B6C2
kCCCII	216266
kCNS1986	1-6329
kCNS1992	1-6329
kCangjie	WGF
kCantonese	hak1
kCihaiT	1560.303
kCowles	971
kDaeJaweon	2051.130
kDefinition	black; dark; evil, sinister; Kangxi radical 203
kEACC	216266
kFanqie	呼北
kFenn	831A
kFennIndex	152.07 156.08
kFourCornerCode	6033.1
kGB0	2658
kGB1	2658
kGradeLevel	1
kGSR	0904a
kHangul	흑:0E
kHanYu	74743.010
kHanyuPinlu	hēi(690)
kHanyuPinyin	74743.010:hēi
kHDZRadBreak	⿊[U+2FCA]:74743.010
kHKGlyph	4722
kIBMJapan	FC4B
kIICore	AGTHKMP
kIRGDaeJaweon	2051.130
kIRGHanyuDaZidian	74743.010
kIRGKangXi	1518.360
kIRG_GSource	G0-3A5A
kIRG_HSource	HB1-B6C2
kIRG_JSource	J3-7E72
kIRG_KPSource	KP0-F5A8
kIRG_KSource	K0-7D59
kIRG_TSource	T1-6329
kIRG_VSource	V1-6D2F
kJapanese	コク くろ くろい
kJinmeiyoKanji	2010:U+9ED2
kKoreanEducationHanja	2007
kTGH	2013:2655
kJIS0213	1,94,82
kJapaneseKun	KUROI KURO
kJapaneseOn	KOKU
kKangXi	1518.360
kKarlgren	68
kKorean	HUK
kLau	1118
kMainlandTelegraph	7815
kMandarin	hēi
kMatthews	2090
kMeyerWempe	658
kMojiJoho	MJ029892
kMorohashi	48038
kPhonetic	431
kRSAdobe_Japan1_6	C+8717+203.12.0
kRSUnicode	203.0
kSBGY	529.48
kSMSZD2003Index	825.06
kSMSZD2003Readings	hēi粵hak1
kTaiwanTelegraph	7815
kTang	*xək
kTGHZ2013	135.210:hēi
kTotalStrokes	12
kUnihanCore2020	GHJKMPT
kVietnamese	hắc
kXerox	243:261
kXHC1983	0456.030:hēi
kZVariant	U+9ED2