Dulux Heritage is a premium quality paint collection, offering excellent depth of colour in range of timeless shades, curated by experts. Suitable for use on wood and metal, and specially formulated to achieve a stunning eggshell finish, update your space with the perfect blend of traditional and modern design. DH Oxford Blue is a deep, sumptuous navy that once upon a time would have been exceptionally expensive to create. Luckily for the Georgians, in 1704 Prussian blue was created, a far more affordable alternative to Ultramarine and a first step towards the decadent rich blue we enjoy today.