Duchess blue (No.20 C 40) by BS 4800 is a deep muted blue. Hex: #3B4455. RGB: 59, 68, 85. The nearest paint match is Johnstone's Wild Hyacinth (ΔE 1.5, “near-identical”), priced at approximately £12.36 per litre. Other close matches include Dulux Heritage DH Oxford Blue (Heritage) (ΔE 1.5) and Mylands Blueprint (ΔE 2.0).
Nearest paint matches
| Colour | Manufacturer | ΔE | Match quality | Price/L | Price/m2 (?) |
|---|---|---|---|---|---|
| Wild Hyacinth | Johnstone's | 1.5 | Near-identical | £12.36 | £2.06 |
| DH Oxford Blue (Heritage) (No.LRV 6) | Dulux Heritage | 1.5 | Near-identical | £10.40 | £1.30 |
| Blueprint (No.No.50) | Mylands | 2.0 | Near-identical | £27.20 | £3.63 |
| Black Flame | Johnstone's | 2.5 | Near-identical | £12.36 | £2.06 |
| 2AM | Coat | 2.6 | Near-identical | £22.40 | £4.48 |
| Midnight Navy® | Crown | 3.2 | Very close | £8.20 | £1.37 |
| Sapphire Splendor | Dulux | 3.5 | Very close | £10.20 | £1.57 |
| Sapphire Splendour | Dulux | 3.5 | Very close | £10.20 | £1.57 |
| Lido Blue | Craig & Rose | 3.6 | Very close | £18.00 | £2.57 |
Wild Hyacinth
Johnstone's
Near-identical
ΔE 1.5
£12.36/L
£2.06/m2
DH Oxford Blue (Heritage)
Dulux Heritage
Near-identical
ΔE 1.5
£10.40/L
£1.30/m2
Blueprint
Mylands
Near-identical
ΔE 2.0
£27.20/L
£3.63/m2
Black Flame
Johnstone's
Near-identical
ΔE 2.5
£12.36/L
£2.06/m2
2AM
Coat
Near-identical
ΔE 2.6
£22.40/L
£4.48/m2
Midnight Navy®
Crown
Very close
ΔE 3.2
£8.20/L
£1.37/m2
Sapphire Splendor
Dulux
Very close
ΔE 3.5
£10.20/L
£1.57/m2
Sapphire Splendour
Dulux
Very close
ΔE 3.5
£10.20/L
£1.57/m2
Lido Blue
Craig & Rose
Very close
ΔE 3.6
£18.00/L
£2.57/m2
Brand-by-brand comparison
See how Duchess blue sits next to the closest paints from one specific brand at a time, ranked by perceptual distance.
- BS 4800 Duchess blue vs Johnstone's (closest: ΔE 1.5)
- BS 4800 Duchess blue vs Dulux Heritage (closest: ΔE 1.5)
- BS 4800 Duchess blue vs Mylands (closest: ΔE 2.0)
- BS 4800 Duchess blue vs Coat (closest: ΔE 2.6)
- BS 4800 Duchess blue vs Crown (closest: ΔE 3.2)
- BS 4800 Duchess blue vs Dulux (closest: ΔE 3.5)
- BS 4800 Duchess blue vs Craig & Rose (closest: ΔE 3.6)
- BS 4800 Duchess blue vs Zoffany (closest: ΔE 4.0)
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