Derwent Watercolour Pencil – Cobalt Blue 31 | Hexagonal Barrel, Water-Based

That deep, electric blue you keep reaching for? Cobalt Blue 31 is the one. The Derwent Watercolour Pencil lets you lay down crisp, controlled lines on dry paper, then pull a brush over them and watch the pigment bloom into a full wash. No waiting for paint to dry between layers. Hexagonal barrel grips steady even when your hand's tired after an hour of detail work. Grab it, sketch your composition, activate, done

• Water-based pigment activates with water for smooth colour flows
• Hexagonal barrel resists rolling off the desk and eases long drawing sessions
• Cobalt Blue 31 delivers a vivid, saturated blue ideal for focal points
• Part of the Derwent Watercolour Pencil range in 72 colours
• Works for drawing, sketching, and mixed-media applications