Pitt Artist Pen Brush India ink pen
ultramarine
light indigo
Metallics marker
colour ice ice blue
Polychromos colour pencil
151 helioblue reddish
Albrecht Dürer watercolour pencil
cobalt blue
skyblue
helioblue reddish
light phthalo blue
Grip Finepen
0.4, helioblue reddish
137 blue violet
145 light phthalo blue
dark indigo
ice blue
phthalo blue
Colour Grip colour pencil
Pastel blue
Sky blue
Midnight blue
blue violet
light ultramarine
cobalt blue-greenish
middle phthalo blue
Pitt Artist Pen Fineliner S India ink pen
indanthrene blue
Prussian blue
0.4, light blue
247 indanthrene blue
246 Prussian blue
Pitt Artist Pen Metallic 1.5 India ink pen
blue metallic
120 ultramarine
146 skyblue