Notechord

C♯maj7♯5 (augmented major 7th) / D♭maj7♯5 (augmented major 7th)

4-note augmented major 7th on C♯ / D♭ — C♯, F, A, C.

Press to hear the chord strummed low to high.

A major seventh on an augmented triad — raised fifth under the leading tone, ethereal and unresolved-yet-major.

The notes

Pitches taken from the first fingering below — click any note to open its frequency page.

Interval formula

DegreeNoteWhat it is
1C♯root
3Fmajor third
♯5Asharp fifth (augmented)
7Cmajor seventh

The formula reads in semitones above the root (C♯): 1, 3, ♯5, 7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

From the same deskKeychord— keyboard shortcuts for every app

Guitar fingerings · 4

432
open position
4fr1423
from fret 4
8fr4231
from fret 8
11fr1423
from fret 11

Ukulele fingerings · 4

23
open position
4fr2341
from fret 4
3fr4231
from fret 3
6fr1423
from fret 6

Read a diagram top-down: the thick bar is the nut, dots are where to press (the number is which finger), means play the open string, means don't play it. A bar across strings is a barre.

Other C♯ / D♭ chords

maj7♯5 (augmented major 7th) chords on every root