Jumbo Grip colour pencil
Midnight blue
Grip Finepen
0.4, helioblue reddish
Albrecht Dürer watercolour pencil
Prussian blue
indanthrene blue
Pitt Artist Pen Brush India ink pen
ultramarine
dark indigo
ice blue
cobalt blue
phthalo blue
Colour Grip colour pencil
Pitt Pastel pencil
light ultramarine