allpaintcolours.co.ukHow does Duchess blue (No.20 C 40) by BS 4800 compare with Crown’s closest paints? The nearest match is Crown Midnight Navy® (ΔE 3.2, “very close”). Prices for these 2 Crown paints range from £8.80 to £12.40 per litre.
BS 4800 Duchess blue vs Crown
Now inside your AI toolConnect free →3 closest Crown matches ranked by ΔE
ΔE (CIEDE2000) is a perceptual distance metric — lower means a closer match. Matches under ΔE 2 are typically indistinguishable; ΔE 2–4 looks “the same” once dry on a wall; ΔE 4–6 is noticeable side-by-side. Always view a sample pot before committing — screen colours and lighting vary.
| Colour | Number | ΔE | Match quality | Price/L | Price/m2 |
|---|---|---|---|---|---|
| Midnight Navy® | — | 3.2 | very close | £8.80 | £1.47 |
| Anthracite | — | 6.8 | close | £12.40 | £2.07 |
| Oxford Blue | — | 7.0 | close | — | — |
Compare Duchess blue with another brand
Full BS 4800 → Crown conversion chart — every colour's nearest equivalent