C# Piano Chords

All C# piano chords — click any card for full diagrams, inversions, audio, and notation.

C♯ is the black key just above C. As a major key it carries seven sharps, so the same sounds are very often written as its enharmonic twin, D♭ major (five flats), which reads far more easily. Every chord type rooted on C# is listed below — triads, sixths, sevenths, and extended and altered voicings — each with diagrams, audio, and notation.