C♯ blues scale (D♭ blues)
C♯ blues scale is C♯ – E – F♯ – G – G♯ – B, with C♯, F♯ and G♯. Formula 1 ♭3 4 ♭5 5 ♭7. Hit play and watch it light up on both instruments.
C♯ blues scale, note by note
The step pattern is W+H W H H W+H W (W = whole step, H = half step, W+H = a step and a half). The half steps fall between F♯–G and G–G♯. The wide steps are C♯–E and G♯–B.
| Degree | Note | Interval from C♯ | |
|---|---|---|---|
| 1 | C♯ | root | |
| ♭3 | E | minor third | |
| 4 | F♯ | perfect fourth | |
| ♭5 | G | tritone | |
| 5 | G♯ | perfect fifth | |
| ♭7 | B | minor seventh |
What C♯ blues sounds like
Add G to C♯ minor pentatonic and you get the C♯ blues scale. Bend into it, slide through it, and resolve to the note either side of it.
G is the blue note. Slide F♯ – G – G♯ and back, and you've played the most recognizable phrase in the blues.
C♯ blues scale is C♯ minor pentatonic scale plus G. Hear C♯ minor pentatonic scale and compare.
Where your hands go
C♯, F♯ and G♯ are on black keys; the rest are white.
15 notes fit in the box between frets 7 and 13, with C♯ at the 9th fret of the low E string.
What to play it over
Chords built only from these notes: C♯m, C♯m7, C♯sus4, E, Em, Esus2, F♯sus2, Bsus2, F♯sus4, Bsus4, E6, Em6.
Finding C♯ blues on the neck
Find C♯ first: fret 9 of the 6th string, fret 4 of the 5th. Treat the ♭5 as a passing note; slide through it rather than landing on it.
On the piano, C♯ blues scale uses 3 black keys (C♯, F♯ and G♯) and 3 white.
Thirds make the scale sound musical instead of step-by-step: C♯–F♯, E–G, F♯–G♯, G–B, G♯–C♯, B–E.
Three ways to practise C♯ blues
Running a scale straight up and down only teaches the order. These patterns use the same 6 notes and train your ear and fingers to jump around inside C♯ blues scale.
- Up in threes: C♯ E F♯ · E F♯ G · F♯ G G♯ · G G♯ B · G♯ B C♯.
- Land on G: C♯ G C♯ G C♯: the ♭5, the blue note, squeezed between the 4th and 5th.
Scales to compare with C♯ blues
Blues scale in every key
C♯ blues scale: questions
What are the notes of the C♯ blues scale?
C♯, E, F♯, G, G♯ and B, then C♯ again at the octave. Formula: 1 ♭3 4 ♭5 5 ♭7.
How many sharps or flats are in the C♯ blues scale?
Three: C♯, F♯ and G♯.
What's the difference between C♯ blues scale and C♯ minor pentatonic scale?
It adds G.
What chords go with the C♯ blues scale?
Any chord built only from its notes, for example C♯m, C♯m7, C♯sus4, E, Em and Esus2. In a 12-bar blues in C♯ it also works over the IV and V seventh chords, where the clashing notes are part of the sound.
Notes and fingering generated from the scale formula and checked automatically against the step pattern. Updated September 2026.