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Britannia Blue 1623
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Noticeable blue undertone
In CIELAB, Britannia Blue sits at L* 47.8, a* -2.4, b* -6.5. Its hue angle is 249° and its chroma is 6.9, so it leans blue clearly enough to notice on a full wall. It classifies as cool. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 16%.
LRV 18.1: dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 18.1, Britannia Blue is lighter than 18% of Benjamin Moore colors. Absorbs most light. Good for accent walls, cabinets, doors and exteriors; needs good lighting indoors.
Closest Sherwin-Williams match to Britannia Blue
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Wall Street | SW 7665 | 2.82 | Close — difference visible side by side | |
| Slate Tile | SW 7624 | 3.06 | Close — difference visible side by side | |
| Granite Peak | SW 6250 | 3.12 | Close — difference visible side by side |
Closest Behr match to Britannia Blue
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color. Behr does not publish LRV, so Behr values here are estimates.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Hypnotic | MQ5-19 | 2.07 | Close — difference visible side by side | |
| Silver Hill | 750F-5 | 2.22 | Close — difference visible side by side | |
| Nypd | N480-6 | 2.52 | Close — difference visible side by side |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Gray Shower | 2125-30 | 2.79 | Close — difference visible side by side | |
| Blue Spruce | 1637 | 2.81 | Close — difference visible side by side | |
| Eclipse | 2132-40 | 3.14 | Close — difference visible side by side | |
| Thousand Oceans | 1645 | 3.46 | Close — difference visible side by side | |
| Stillwater | 1650 | 3.69 | Close — difference visible side by side | |
| Philipsburg Blue | HC-159 | 3.69 | Close — difference visible side by side |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Tempest AF-590 · lighter, LRV 19.5
- Eclipse 2132-40 · lighter, LRV 20.0
- Steep Cliff Gray 2122-20 · lighter, LRV 20.5
- Arctic Seal CSP-15 · darker, LRV 16.3
- Knoxville Gray HC-160 · darker, LRV 15.7
- Charcoal Slate HC-178 · darker, LRV 14.5
Colors that go with Britannia Blue
Color-theory pairings — the nearest Benjamin Moore color to each rotated hue, keeping the same lightness and saturation:
- Woodcliff Lake 980 · complementary (180°)
- Providence Blue 1636 · analogous (−30°)
- Amethyst Shadow 1441 · analogous (+30°)
- Kasbah AF-640 · triadic (120°)
- Millstone Gray 1581 · triadic (240°)
Britannia Blue vs popular colors
- Amherst Gray (Benjamin Moore HC-167, ΔE 9.0) is about as light, more yellow/warm, more muted.
- Gauntlet Gray (Sherwin-Williams SW 7019, ΔE 10.0) is about as light, more yellow/warm, more red/pink, more muted.
- Van Deusen Blue (Benjamin Moore HC-156, ΔE 10.2) is darker (LRV 12.0 vs 18.1), more blue/cool, more saturated.