Home / Colours & Pigments / Pigments & Dry Goods / Blue Pigments / 45710 50g Kremer Cobalt Blue Medium 45710 50g Kremer Cobalt Blue Medium £8.00 £9.60 (inc. VAT) Opaque Cool Cobalt Blue. Add to your Wish List Information Pb28 Inorganic Pigment. Opaque Cool Cobalt Blue. Specifications Brand: Kremer Product Code: DE Weight: 0.06kg