Beginner blues guitar is where everybody starts. Do you think Eric Clapton started off playing complex licks and chords?
To start playing Blues guitar you need to know some basic chords, Pentatonic and Blues scales.
There are two other modes used also the Dorian and the Mixolydian but you learn these later.
Most chords are barre chords except when playing an acoustic styles blues where you combine open position and barre chords.
Basic Blues Guitar Chords
Here are the 3 chords you would use in the key of C
Ninth chords are often used to replace the standard 7th chords in blues.
Beginner Blues Guitar Scales
The Major Scale
This will help you relate to these other two scales. This is where the C major and A minor Pentatonic scales come from.
The Pentatonic Scales
The Pentatonic scale is just one note shy of the Blues scale.
The Blues Scales
The major blues scale adds a note between the 2nd and 3rd note of the major pentatonic scale.
The minor blues scale adds a note between the 3rd and 4th note of the major pentatonic scale. This note is a flatted 5th
Beginner Blues Progression
Here is a sample of the basic 3 chord 12 bar blues progression. This progression is used in thousands of blues songs. The same basic progression is also used in a lot of Rock and Country songs too.
Beginner Blues Video
I have a video for you from one of my associates in the guitar learning business. This video is about the Blues but they have a lot of other categories too.
Hawkeye Herman: Introduction to Blues
Hawkeye Herman introduces the blues. He explains the 12 bar blues chords and the poetic format that blues lyrics typically follow.