• Winsor and Newton Cotman Watercolours use fine art pigments with reduced pigment load than the Professional Watercolour range, making them an accessible choice while still uncompromising on quality.
• They are formulated to create uniform consistency, the transparent quality of Cotman Watercolours are perfect for new users.
• Rated AA and A for Excellent and Good lightfastness, Cotman Watercolours give artists the reassurance expected from a quality watercolour range.
• The range consists of 40 colours that possess good transparency, excellent tinting strength and good working properties.
• Winsor and Newton Cotman Watercolours are available in 8ml Tubes and Half Pans.

Intense Blue (Phthalo Blue) is a deep intense blue which when undiluted, forms an inky blue-black. It is made from the modern pigment Phthalocyanine which was introduced in the 1930s.

Colour Number: 327
Lightfastness: Very Good
Opacity: T
Series: 1
Pigment Code: PB15
Granulation/staining: Staining
Permanence: Permanent