This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
This was formed by distorting an image of a background on Pixabay.
Source Firkin
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Derived from a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
A bit strange this one, but nice at the same time.
Source Diogo Silva
Sharp pixel pattern, just like the good old days.
Source Paridhi
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Groovy Concentric Background 2 No Black
Source GDJ