What is the difference between Old Italic Letter Ku and Greek Letter Archaic Koppa?

Old Italic Letter Ku is U+10312 in the Old Italic block. Greek Letter Archaic Koppa is U+03D8 in the Greek and Coptic block. They are distinct Unicode codepoints and may appear visually similar depending on the font.

What is the HTML entity for Old Italic Letter Ku?

The HTML entity for Old Italic Letter Ku (U+10312) is 𐌒.

What is the HTML entity for Greek Letter Archaic Koppa?

The HTML entity for Greek Letter Archaic Koppa (U+03D8) is Ϙ.

Are Old Italic Letter Ku and Greek Letter Archaic Koppa the same Unicode character?

No. Old Italic Letter Ku is U+10312 (decimal 66322) and Greek Letter Archaic Koppa is U+03D8 (decimal 984). They are separate codepoints.

What are the UTF-8 encodings of Old Italic Letter Ku and Greek Letter Archaic Koppa?

Old Italic Letter Ku (U+10312) encodes as F0 90 8C 92 in UTF-8. Greek Letter Archaic Koppa (U+03D8) encodes as CF 98 in UTF-8.

Old Italic Letter Ku vs Greek Letter Archaic Koppa

Compare two Unicode characters side by side — encodings, HTML entities, escape sequences, and Unicode properties. Useful for distinguishing visually similar characters like hyphens and dashes, quotation marks, or homoglyphs.

𐌒

Old Italic Letter Ku

U+10312

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Greek Letter Archaic Koppa

U+03D8

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Property Comparison

Property	Old Italic Letter Ku	Greek Letter Archaic Koppa
Codepoint	`U+10312`	`U+03D8`
Decimal	`66322`	`984`
HTML Entity	`𐌒`	`Ϙ`
HTML Decimal	`𐌒`	`Ϙ`
HTML Hex	`𐌒`	`Ϙ`
UTF-8	`F0 90 8C 92`	`CF 98`
UTF-16	`D8 00 DF 12`	`03 D8`
UTF-32	`00010312`	`000003D8`
CSS Escape	`\10312`	`\3D8`
JS Escape	`\uD800\uDF12`	`\u03D8`
Python Escape	`\U00010312`	`\u03D8`
URL Encoded	`%F0%90%8C%92`	`%CF%98`
Category	`Other Letter (Lo)`	`Uppercase Letter (Lu)`
Block	`Old Italic`	`Greek and Coptic`
Script	`Old Italic`	`Greek`
Bidi Class	`L`	`L`
Unicode Version	`3.1`	`3.2`

Rows highlighted in amber differ between the two characters.

Common Comparisons

Frequently confused character pairs.

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