Playing the C#7 Guitar Chord
The C#7 chord is a dominant 7th chord built on the root C#. It contains 4 notes: C#, F, G#, B. On guitar, this chord can be played in multiple positions across the fretboard, from open shapes to barre chord voicings.
A major triad with a minor seventh. Creates harmonic tension that resolves to the tonic. For guitarists, mastering the C#7 chord unlocks many songs in the key of C#.
Recommended C#7 Guitar Voicing
The interactive fretboard above shows a practical C#7 voicing. The chord notes (C#, F, G#, B) appear as highlighted positions. Tap any highlighted fret to hear that note, or click "Play C#7" to hear the full chord.
Interval Structure of C#7
| Degree | Interval | Semitones | Note in C# |
|---|---|---|---|
| Root | Root (R) | 0 | C# |
| 3rd | Major 3rd | 4 | F |
| 5th | Perfect 5th | 7 | G# |
| 7th | Minor 7th | 10 | B |
Common Progressions with C#7 on Guitar
- I–IV–V: C#7 – F#7 – G#7 (foundation of blues and rock)
- I–V–vi–IV: C#7 – G# – A#m – F# (modern pop staple)
- I–vi–IV–V: C#7 – A#m – F# – G# (50s doo-wop)
Tips for Practicing C#7 on Guitar
Start by finding the root note C# on the 6th and 5th strings. Build the chord shape from there. Practice transitioning between C#7 and nearby chords like F# and G#. Use slow, deliberate strums and check each string rings clearly.