Sky blue (No.5015) by RAL Classic is a mid-tone cyan. Hex: #2271B3. RGB: 34, 113, 179. The nearest paint match is Johnstone's Nocturne Shade (ΔE 1.7, “near-identical”), priced at approximately £12.36 per litre. Other close matches include BS 4800 Blue (ΔE 2.4) and Johnstone's Planetarium (ΔE 2.6).
Sky blue (No.5015) by RAL Classic
- Hex
#2271B3- RGB
- 34, 113, 179
- Colour system
- RAL Classic
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Nearest paint matches
| Colour | Manufacturer | ΔE | Match quality | Price/L | Price/m2 (?) |
|---|---|---|---|---|---|
| Nocturne Shade | Johnstone's | 1.7 | Near-identical | £12.36 | £2.06 |
| Blue (No.20 E 53) | BS 4800 | 2.4 | Near-identical | — | — |
| Planetarium | Johnstone's | 2.6 | Near-identical | £12.36 | £2.06 |
| Royal Regatta 3 | Dulux | 2.6 | Near-identical | £10.20 | £1.57 |
| Regal Silk | Dulux | 3.2 | Very close | £10.20 | £1.57 |
| Sapphire Springs 3 | Dulux | 3.3 | Very close | £10.20 | £1.57 |
| Blue | Dulux | 3.5 | Very close | — | — |
| Sapphire Sky | Johnstone's | 3.6 | Very close | £12.36 | £2.06 |
| Cobalt Glaze | Johnstone's | 3.7 | Very close | £12.36 | £2.06 |
Nocturne Shade
Johnstone's
Near-identical
ΔE 1.7
£12.36/L
£2.06/m2
Blue
BS 4800
Near-identical
ΔE 2.4
Planetarium
Johnstone's
Near-identical
ΔE 2.6
£12.36/L
£2.06/m2
Royal Regatta 3
Dulux
Near-identical
ΔE 2.6
£10.20/L
£1.57/m2
Regal Silk
Dulux
Very close
ΔE 3.2
£10.20/L
£1.57/m2
Sapphire Springs 3
Dulux
Very close
ΔE 3.3
£10.20/L
£1.57/m2
Blue
Dulux
Very close
ΔE 3.5
Sapphire Sky
Johnstone's
Very close
ΔE 3.6
£12.36/L
£2.06/m2
Cobalt Glaze
Johnstone's
Very close
ΔE 3.7
£12.36/L
£2.06/m2
Brand-by-brand comparison
See how Sky blue sits next to the closest paints from one specific brand at a time, ranked by perceptual distance.
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