Triads · C# root / D♭
C# / D♭
The brightest, most stable triad. The foundation of Western tonal music.
Notes in C#
C# / Db sits between C and D. A common key in jazz and pop — think Db major in many jazz standards.
Identify the Chord Quality on C#
Each chord below is played on C#. Listen and identify whether you heard C#, C#m, C#7, or another quality — the hardest and most useful ear training skill.
Major in All 12 Keys
Other Chords in C#
Related Triads
About the C# Chord
The C# chord is a major chord built on C# (also written D♭). It contains the notes Db, F, Ab — the root, third, and fifth.
The brightest, most stable triad. The foundation of Western tonal music. Practising the C# chord across different voicings and contexts builds the harmonic recognition that lets you identify it instantly in any musical setting — whether in a band mix, a recording, or a live performance.