The key of B major has five sharps. For reference, here are the notes in the B major scale:
- B
- C Sharp
- D Sharp
- E
- F Sharp
- G Sharp
- A Sharp
All the chords in the key of B major are made up of these seven notes, and each note gets to be the root note for one of the chords, thus making seven triad chords in this key.
- B Major
- C Sharp Minor
- D Sharp Minor
- E Major
- F Sharp Major
- G Sharp Minor
- A Sharp Diminished
Note: In this article I’m using guitar chord charts that I created using Microsoft Paint. Here are all the guitar chord charts that are free to use personally and commercially under Creative Commons Attribution (CC-BY) 4.0 License.
I Chord — B Major or B Major Seventh
The first chord (I) in the key of B major is the B major chord. Below is my preferred way to play the B major chord on guitar.

The B major seventh chord is the corresponding 7th chord for the I chord in the key of B major. Below is my favorite way to play the B major seventh chord.

ii Chord — C Sharp Minor or C Sharp Minor Seventh
The second chord (ii) in the key of B major is the C sharp minor chord. Below is my preferred way to play the C sharp minor chord on guitar.

The C sharp minor seventh chord is the corresponding 7th chord for the ii chord in the key of B major. Below is my favorite way to play the C sharp minor seventh chord.

iii Chord — D Sharp Minor or D Sharp Minor Seventh
The third chord (iii) in the key of B major is the D sharp minor chord. Below is my preferred way to play the D sharp minor chord on guitar.

The D sharp minor seventh chord is the corresponding 7th chord for the iii chord in the key of B major. Below is my favorite way to play the D sharp minor seventh chord.

IV Chord — E Major or E Major Seventh
The fourth chord (IV) in the key of B major is the E major chord. Below is my preferred way to play the E major chord on guitar.

The E major seventh chord is the corresponding 7th chord for the IV chord in the key of B major. Below is my favorite way to play the E major seventh chord.

V Chord — F Sharp Major or F Sharp Dominant Seventh
The fifth chord (V) in the key of B major is the F sharp major chord. Below is my preferred way to play the F sharp major chord on guitar.

The F sharp dominant seventh chord is the corresponding 7th chord for the V chord in the key of B major. Below is my favorite way to play the F sharp dominant seventh chord.

vi Chord — G Sharp Minor or G Sharp Minor Seventh
The sixth chord (vi) in the key of B major is the G sharp minor chord. Below is my preferred way to play the G sharp minor chord on guitar.

The G sharp minor seventh chord is the corresponding 7th chord for the vi chord in the key of B major. Below is my favorite way to play the G sharp minor seventh chord.

viidim Chord — A Sharp Diminished or A Sharp Minor Seventh Flat Five
The seventh chord (viidim) in the key of B major is the A sharp diminished chord. Below is my preferred way to play the A sharp diminished chord on guitar.

The A sharp minor seventh flat five chord is the corresponding 7th chord for the viidim chord in the key of B major. Below is my favorite way to play the A sharp minor seventh flat five chord.

Chord Progressions in the Key of B Major
Here are 10 chord progressions in the key of B Major that you can experiment with. I have included guitar tablature to make playing the chords easier for you.
1. B Major, E Major, F Sharp Major
E| --2---2-----0---0-----2---2---
B| --4---4-----0---0-----2---2---
G| --4---4-----1---1-----3---3---
D| --4---4-----2---2-----4---4---
A| --2---2-----2---2-----4---4---
E| ------------0---0-----2---2---
2. B Major, F Sharp Major, G Sharp Minor, E Major
E| --2---2-----2---2-----4---4-----0---0---
B| --4---4-----2---2-----4---4-----0---0---
G| --4---4-----3---3-----4---4-----1---1---
D| --4---4-----4---4-----6---6-----2---2---
A| --2---2-----4---4-----6---6-----2---2---
E| ------------2---2-----4---4-----0---0---
3. B Major, E Major, B Major, F Sharp Major
E| --2---2-----0---0-----2---2-----2---2---
B| --4---4-----0---0-----4---4-----2---2---
G| --4---4-----1---1-----4---4-----3---3---
D| --4---4-----2---2-----4---4-----4---4---
A| --2---2-----2---2-----2---2-----4---4---
E| ------------0---0---------------2---2---
4. B Major, D Sharp Minor, E Major, G Sharp Minor
E| --2---2-----6---6-----0---0-----4---4---
B| --4---4-----7---7-----0---0-----4---4---
G| --4---4-----8---8-----1---1-----4---4---
D| --4---4-----8---8-----2---2-----6---6---
A| --2---2-----6---6-----2---2-----6---6---
E| ----------------------0---0-----4---4---
5. G Sharp Minor, E Major, B Major, F Sharp Major
E| --4---4-----0---0-----2---2-----2---2---
B| --4---4-----0---0-----4---4-----2---2---
G| --4---4-----1---1-----4---4-----3---3---
D| --6---6-----2---2-----4---4-----4---4---
A| --6---6-----2---2-----2---2-----4---4---
E| --4---4-----0---0---------------2---2---
6. E Major, B Major, F Sharp Major, B Major
E| --0---0-----2---2-----2---2-----2---2---
B| --0---0-----4---4-----2---2-----4---4---
G| --1---1-----4---4-----3---3-----4---4---
D| --2---2-----4---4-----4---4-----4---4---
A| --2---2-----2---2-----4---4-----2---2---
E| --0---0---------------2---2-------------
7. B Major, G Sharp Minor, E Major, F Sharp Major
E| --2---2-----4---4-----0---0-----2---2---
B| --4---4-----4---4-----0---0-----2---2---
G| --4---4-----4---4-----1---1-----3---3---
D| --4---4-----6---6-----2---2-----4---4---
A| --2---2-----6---6-----2---2-----4---4---
E| ------------4---4-----0---0-----2---2---
8. C Sharp Minor, F Sharp Major, B Major, G Sharp Minor
E| --4---4-----2---2-----2---2-----4---4---
B| --5---5-----2---2-----4---4-----4---4---
G| --6---6-----3---3-----4---4-----4---4---
D| --6---6-----4---4-----4---4-----6---6---
A| --4---4-----4---4-----2---2-----6---6---
E| ------------2---2---------------4---4---
9. B Major, E Major, G Sharp Minor, F Sharp Major
E| --2---2-----0---0-----4---4-----2---2---
B| --4---4-----0---0-----4---4-----2---2---
G| --4---4-----1---1-----4---4-----3---3---
D| --4---4-----2---2-----6---6-----4---4---
A| --2---2-----2---2-----6---6-----4---4---
E| ------------0---0-----4---4-----2---2---
10. B Major, C Sharp Minor, D Sharp Minor, E Major, F Sharp Major
E| --2---2-----4---4-----6---6-----0---0-----2---2---
B| --4---4-----5---5-----7---7-----0---0-----2---2---
G| --4---4-----6---6-----8---8-----1---1-----3---3---
D| --4---4-----6---6-----8---8-----2---2-----4---4---
A| --2---2-----4---4-----6---6-----2---2-----4---4---
E| --------------------------------0---0-----2---2---
11. B Major, E Major, C Sharp Minor, F Sharp Major
E| --2---2-----0---0-----4---4-----2---2---
B| --4---4-----0---0-----5---5-----2---2---
G| --4---4-----1---1-----6---6-----3---3---
D| --4---4-----2---2-----6---6-----4---4---
A| --2---2-----2---2-----4---4-----4---4---
E| ------------0---0---------------2---2---
12. B Major, F Sharp Major, G Sharp Minor, D Sharp Minor, E Major, B Major, E Major, F Sharp Major
E| --2---2-----2---2-----4---4-----6---6-----0---0-----2---2-----0---0-----2---2---
B| --4---4-----2---2-----4---4-----7---7-----0---0-----4---4-----0---0-----2---2---
G| --4---4-----3---3-----4---4-----8---8-----1---1-----4---4-----1---1-----3---3---
D| --4---4-----4---4-----6---6-----8---8-----2---2-----4---4-----2---2-----4---4---
A| --2---2-----4---4-----6---6-----6---6-----2---2-----2---2-----2---2-----4---4---
E| ------------2---2-----4---4---------------0---0---------------0---0-----2---2---