1234 12 GCEA
Beginner

C#dim7 Ukulele Chord

An open, eerie diminished seventh spelled C#, E, G and A#. Tense and forward-leaning, it works beautifully as a passing chord in jazz standards and as a leading-tone color in classical and pop ballads.

Also known as

  • C#°7
  • Db°7
  • C# °7
  • Db °7
  • Dbdim7
  • C# dim7
  • Db dim7
  • D-flat°7
  • C-sharp°7
  • D-flat °7
  • C-sharp °7
  • D-flatdim7
  • C-sharpdim7
  • D-flat dim7
  • C-sharp dim7
  • C# diminished 7th
  • Db diminished 7th
  • C# diminished seventh
  • Db diminished seventh
  • D-flat diminished 7th
  • C-sharp diminished 7th
  • D-flat diminished seventh
  • C-sharp diminished seventh

How to Play This Chord

Position your fingers on the fretboard as shown in the diagram. The vertical lines represent the four strings, from the top G string (left) to the A string (right), and the horizontal lines are the frets. Numbers inside the dots indicate which finger to use: 1 (index), 2 (middle), 3 (ring), 4 (pinky). An X means don't play that string; an O means play it open. A bar spanning multiple strings means one finger presses across all of them at once — this is known as a barre chord.

Tips & Tricks

This is one of the friendliest shapes on the neck: leave the G and E strings open and ringing, set your index on the C string at fret 1, and add your middle on the A string at fret 1. Keep those two open strings clean and the symmetrical, hollow tone comes through with almost no effort.

There are many ways to play this chord. Try these:

AECG 0 1 0 1 0 1 0 1
AECG 1 0 1 0 1 0 1 0
AECG 0 0 1 1 0 0 1 1
AECG 0 0 1 1 0 1 0 0

See how C#dim7 works with other chords — Progression Generator