Cyanine blue
PB28 + PB15
Manufacturer
Blockx
Range
Extra-fine Watercolours
Color no.
41454
Color family
Blue
Transparency
Transparent
Lightfastness
★★★★★ Excellent
Granulation
Yes
Price group / series
Series 4
Single pigment
No
About this pigment
PB28 Cobalt Blue
Wikipedia ↗PB15 Phthalo Blue
Wikipedia ↗Safety note: cobalt compound
Color values are computed from the pigment composition and are indicative only. They are no substitute for a real color chart. · blockx.be – watercolour product pages (2026-09-25)