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Chord · Db Major 9th

D♭maj9 Chord

D♭maj9 is Db, F, Ab, C and Eb — lush, gentle; jazz ballads and neo-soul.

Hear it

D♭maj9 on every instrument

The same 5 notes, 3 sets of hands. Open a diagram for alternate shapes, audio and the mistakes to avoid.

××2143EADGBE
Guitar1 voicing
CDEFGAB
Piano4 voicings
5fr2143GCEA
Ukulele1 voicing

What D♭maj9 is made of

Db Major 9th (Db major 9th) is built from the notes Db, F, Ab, C, Eb, with the interval pattern 1, 3, 5, 7, 9. A common major 9th chord across many styles.

Stack 1, 3, 5, 7 and 9 on a root of D♭ and you get Db, F, Ab, C and Eb. That interval recipe is what makes the chord a major ninth chord — move the same shape to another root and the character travels with it, which is why Cmaj9 sounds like a transposed D♭maj9.

Major 9th: Lush, gentle; jazz ballads and neo-soul.

Spelling: the notes above are written the way a score would write them, not simplified to the nearest piano key. That is why this chord is spelled with D♭ rather than its enharmonic equivalent.

Keys that contain D♭maj9

All 5 notes sit inside the scale of 6 keys. The roman numeral marks the degree the chord is rooted on.

Other chords on D♭

Same root, different colour.

The same major ninth shape, moved

The identical interval recipe, built on other roots.

Questions people ask about Dbmaj9

What notes are in the Dbmaj9 chord?
Dbmaj9 is made of Db, F, Ab, C and Eb — the 1, 3, 5, 7 and 9 degrees of a major ninth chord built on Db.
What keys use the Dbmaj9 chord?
Every note of Dbmaj9 belongs to 6 keys: Ab Major (IV), Db Major (I), C# Major (I), F Minor (VI), Bb Minor (III), A# Minor (III). The roman numeral is the scale degree the chord is rooted on.
How do you play Dbmaj9 on guitar and piano?
This page shows Dbmaj9 on guitar, piano and ukulele — 6 voicings in total. Each diagram links to the full instrument page with alternate shapes, audio and common mistakes.
Is Dbmaj9 the same as C#maj9?
Yes. Dbmaj9 and C#maj9 are enharmonic — identical pitches written two different ways. Which spelling you use depends on the key you are in; Dbmaj9 is the spelling this site treats as canonical.

Learn the theory behind it

Why D♭maj9 behaves the way it does — the guides that explain the chord instead of just spelling it.

Functional Harmony: Three Roles, One EngineWhat a seventh chord is for — tension, resolution, and the seat it takes in the key.6 min readThe 12-Bar Blues — Three Chords, A Century of HitsSeventh chords are the whole sound of the blues. Twelve bars is where to hear it.7 min read