Every brand makes it with the same pigments: PB60 Indanthrone Blue.
Who makes it
- Holbein Artists' Oil Color No. H325
- Rembrandt Artists' Oil Colour No. 585PB60LF I Semi-transparentSeries 315 ml tube · 40 ml tube · 60 ml tube* · 150 ml tube*About Rembrandt
- Blockx Extra-Fine Oil Colours No. 212757
Sizes are the ones each line is sold in; marks a size only some colors come in. Check the store for a particular color.