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C♯ Diminished Chord (C♯dim)

Notes: C♯, E, G. Tap any diagram to hear it.

C♯dim
Notes
C♯EG
Formula
1 – ♭3 – ♭5

C♯dim on guitar

Open position · most common
x-4-2-0-2-0
Fret 8
x-x-11-9-8-9
Fret 11
x-x-11-12-14-12

Strings from low (left) to high (right). Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. × = don’t play, ○ = open string.

C♯dim on ukulele

Open position · most common
0-4-3-4
Fret 6
6-7-9-7

C♯dim on piano

Other C♯ chords

C♯C♯mC♯7C♯maj7C♯m7C♯sus2C♯sus4C♯augC♯6C♯m6C♯9C♯add9C♯7sus4C♯m7♭5C♯dim7

Diminished chords in other keys

CdimDdimE♭dimEdimFdimF♯dimGdimA♭dimAdimB♭dimBdim

About the C♯ Diminished chord

Diminished chords are built from two minor thirds. They sound tense and unstable and are often used as passing chords. C♯dim is built from the root (C♯), minor third (E), diminished fifth (G).

Frequently asked questions

What notes are in the C♯ Diminished chord?

The C♯dim chord is made of C♯, E, G: the root, minor third, diminished fifth.

How do you play C♯dim on guitar?

The most common fingering is x-4-2-0-2-0, from the low E string to the high E string (x = don’t play that string, 0 = open string).

How do you play C♯dim on piano?

Press C♯, E, G together. In root position the lowest note is C♯.