Cook's Blue is a mid-toned purple from Farrow & Ball. As a premium paint, it’s a popular colour to look for a closer or cheaper alternative to.
Here are the nearest matches from every other UK brand in the PaintDial library, ranked by how close each one is.
The nearest Dulux colour is Atlantic Surf 3 (near-identical). It won’t be pixel-perfect, so order a tester before committing.
Of the close matches, Blue Promise by Johnstone's is the best-value option (value, very close).
Each is the nearest colour that brand makes, by perceptual colour difference. Screens differ from paint on a wall, so treat these as a shortlist and always order tester pots.
Search any paint name in the tool to see its closest matches across every UK brand.
See the full Cook's Blue colour page →