Phthalo Blue

Joules & Joules Phthalo Blue Matte Acrylic Paint is a deep, intense, and brilliant blue with greenish undertones that add freshness and depth to the color. It offers high tinting strength, moderate coverage, and semi-opaque transparency, allowing for both dense applications and gradual glazes. Its fast drying time and matte finish ensure precision and uniformity in application, highlighting the purity and clarity of the blue in any pictorial technique.

The pigment Beta Copper Phthalocyanine (PB15:3) was developed in the early 20th century as a stable alternative to natural blues, providing high resistance to light, heat, and chemical agents. Renowned for its intensity and versatility, Phthalo Blue became one of the preferred pigments of modern artists, capable of producing vibrant mixtures and consistent hues while retaining excellent saturation even in complex combinations.

With a lightfastness rating of I (Excellent), Phthalo Blue Matte Acrylic Paint maintains its vibrancy and chromatic stability over time. Its durability against atmospheric and chemical exposure makes it reliable for long-lasting works. This is a high-performance color, ideal for artists seeking a deep, luminous, and technically versatile blue in professional and contemporary compositions.

Pigment Classification Synthetic Organic Pigment

Chemical Composition Beta Copper Phthalocyanine – C32H16CuN8

Color Index PB 15:3

Binder Acrylic Resin

Transparency/Opacity Semi-Transparent

Lightfastness I (Excellent)

Tinting Strength High

Drying Time Fast

Notes Highly permanent in light and air. Not affected by heat or chemical agents.

Toxicity Not considered toxic; however, ingestion, contact with eyes, and prolonged skin contact should be avoided.

MSDS (Safety Data Sheet) Available on the website here.

Series 2

Availability 37 ml and 100 ml tubes, and 250 ml jars.