Dock Blue is a deep blue from Little Greene, and a popular colour to match across brands or on a tighter budget. PaintDial’s closest match from another UK brand is Midnight Sapphire by Johnstone's (near-identical), with every other close match ranked below.
Midnight Sapphire by Johnstone's is the closest match from any other brand (near-identical) — and it holds Dock Blue’s lightness, warmth and saturation alike. It’s also the best-value tier of the close matches — unusual, as the nearest match and the best-value one usually differ. Only one of the 8 other brands manages a near-identical match, which makes Dock Blue fairly distinctive. LRV is estimated from each brand’s swatch, so order testers before committing.
Below is every genuinely close match to Dock Blue from the other eight brands — ranked purely by closeness, so where one brand has several near-misses, they all appear. For the single best match per brand, see the Dock Blue colour page.
The nearest Dulux colour is Cobalt Night (very close). It won’t be pixel-perfect, so order a tester before committing.
Of the close matches, Midnight Sapphire by Johnstone's is the best-value option (value, near-identical).
The list shows every genuinely close match from other brands, ranked nearest-first by perceptual colour difference — including several from one brand where they’re all close. 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 Dock Blue colour page →