C♯ augmented piano chord
The C♯ augmented chord (also written D♭), written C♯aug, on a keyboard. Its notes are C♯ – E♯ – G♯♯ — free to print or download below.

Notes in the C♯ augmented chord
The C♯ augmented chord is built from the root, a major third and an augmented fifth, giving the notesC♯ – E♯ – G♯♯. On the keyboard diagram those keys are shaded so you can see the shape at a glance.
How to play the C♯ augmented chord
- Find the notes. The C♯ augmented chord uses the notes C♯ – E♯ – G♯♯. Locate each one on your keyboard using the diagram above.
- Place your fingers. In root position, play C♯ – E♯ – G♯♯ together — thumb on the lowest note and the remaining fingers on the notes above.
- Play it as a block or broken. Play all the notes at once for a solid chord, or one after another for an arpeggio.
C♯ augmented chord — frequently asked questions
What notes are in the C♯ augmented chord?
The C♯ augmented chord (C♯aug) is made up of the notes C♯ – E♯ – G♯♯ — the root, a major third and an augmented fifth.
What is the chord symbol for C♯ augmented?
It is written as C♯aug. On a lead sheet or chord chart you would see "C♯aug" above the stave.
Is the C♯ augmented chord diagram free to print?
Yes — print it or download the PDF or PNG for free, with no account or sign-up.