C♯7sus4 / D♭7sus4

4-note dominant 7th suspended 4th on C♯ / D♭C♯, F♯, G♯, B.

Press to hear the chord strummed low to high.

A dominant seventh with the fourth in place of the third — the suspension keeps the pull without committing to major or minor.

The notes

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

Interval formula

DegreeNoteWhat it is
1C♯root
11F♯eleventh (perfect fourth)
5G♯perfect fifth
♭7Bflat seventh (dominant)

The formula reads in semitones above the root (C♯): 1, 11, 5, ♭7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

Guitar fingerings · 4

234
open position
4fr113141
from fret 4
6fr123
from fret 6
9fr131411
from fret 9

Ukulele fingerings · 4

22
open position
4fr1311
from fret 4
6fr1324
from fret 6
9fr2314
from fret 9

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

7sus4 chords on every root