Pitt Artist Pen Dual Marker India ink
skyblue
phthalo blue
ultramarine
Pitt Artist Pen Metallic 1.5 India ink pen
blue metallic
Ecco Pigment Fineliner
0.7 mm, blue
0.3 mm, blue
Pitt Artist Pen Brush India ink pen
dark indigo
indanthrene blue
ice blue
cobalt blue