Guitar Scale Logic

Interactive Guitar Scale Finder

Guitar Scale Logic

F# Blues Guitar Scale in Open C

Blues scale notes, fretboard positions and guitar tabs for Open C.

Formula 1 b3 4 b5 5 b7
Tuning E C G C G C
Scale Notes 6 notes

Interactive fretboard

Scale Map

Root notes are highlighted in amber. Use the buttons to isolate each five-fret position.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
E E
F#
A
B
C
C#
E
F#
A
B
C
C#
C C
C#
E
F#
A
B
C
C#
E
F#
A
G
A
B
C
C#
E
F#
A
B
C
C#
E
C C
C#
E
F#
A
B
C
C#
E
F#
A
G
A
B
C
C#
E
F#
A
B
C
C#
E
C C
C#
E
F#
A
B
C
C#
E
F#
A
Root Note Scale Note

Scale Tablature

Position 1

E|2--|
C|---|
G|---|
C|---|
G|---|
C|---|

Pattern shows scale notes in 0-4 frets for position 1.

Theory & Context

Why This Shape Works

F# Blues in Open C tuning puts the notes F#, A, B, C, C#, E under your fingers in a layout that feels gritty, tense and expressive. Open C delivers a large low register and a clear major framework, so the neck feels expansive and modern, especially for layered strumming and alternate-picked melody. On this page you can switch between all visible notes or five smaller positions, study a pre-rendered tab pattern for each zone and match the sound against chords that stay inside the scale. Because the interval formula is 1 b3 4 b5 5 b7, every diagram here is generated from exact semitone math instead of guessed text. Start with Position 1 to lock in the tonic, then connect Positions 2 and 3 so you can move into riffs, lead fills and improvised phrases without losing the key center.

Overview

Blues sounds gritty, tense and expressive and is especially useful for turnarounds, blues-rock phrasing and greasy lead work. Open C feels huge, modern and harmonically rich.

Pro Tip

Treat the b5 as a passing colour and resolve it quickly for the classic bite. In Open C, it adds width without losing too much melodic clarity.

  • F#
  • A
  • B
  • C
  • C#
  • E

Suggested Chords

Works Well With This Scale

Chord options generated from the same note pool.

  • F#mminor
  • F#5power
  • F#m7minor 7
  • F#sus4sus4
  • Amminor
  • A5power
  • Asus2sus2
  • B5power
  • Bsus4sus4
  • Bsus2sus2

Related Pages

Related Scales