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Blue Grotto CC-964
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Saturated purple (a color, not a neutral)
In CIELAB, Blue Grotto sits at L* 25.5, a* 10.7, b* -25.4. Its hue angle is 293° and its chroma is 27.5, so it reads as an outright purple rather than a neutral. It classifies as cool. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 3%.
LRV 6.2: very dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 6.2, Blue Grotto is lighter than 1% of Benjamin Moore colors. Near-black depth. Use on doors, trim, cabinetry, exteriors or moody rooms with strong artificial lighting.
Closest Sherwin-Williams match to Blue Grotto
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 | |
|---|---|---|---|---|
| Valiant Violet | SW 6818 | 3.51 | Close — difference visible side by side | |
| Majestic Purple | SW 6545 | 3.98 | Close — difference visible side by side | |
| Dewberry | SW 6552 | 4.27 | Similar, clearly different |
Closest Behr match to Blue Grotto
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 | |
|---|---|---|---|---|
| Constellation Blue | T18-18 | 4.40 | Similar, clearly different | |
| Heraldic | MQ5-44 | 4.89 | Similar, clearly different | |
| Starlit Night | T11-19 | 5.10 | Similar, clearly different |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Admiral Blue | 2065-10 | 2.45 | Close — difference visible side by side | |
| Bold Blue | 2064-10 | 3.10 | Close — difference visible side by side | |
| Grape Gum | 2068-20 | 3.13 | Close — difference visible side by side | |
| Midnight Navy | 2067-10 | 3.13 | Close — difference visible side by side | |
| Wizard | CC-966 | 4.24 | Similar, clearly different | |
| Starry Night Blue | 2067-20 | 4.49 | Similar, clearly different |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Grape Gum 2068-20 · lighter, LRV 7.2
- Starry Night Blue 2067-20 · lighter, LRV 7.5
- Gentle Violet 2071-20 · lighter, LRV 7.4
- Majestic Violet 2068-10 · darker, LRV 5.4
- Bold Blue 2064-10 · darker, LRV 5.6
- Midnight Navy 2067-10 · darker, LRV 5.4
Colors that go with Blue Grotto
Color-theory pairings — the nearest Benjamin Moore color to each rotated hue, keeping the same lightness and saturation:
- Windsor Green CW-505 · complementary (180°)
- Marine Blue 2059-10 · analogous (−30°)
- Gentle Violet 2071-20 · analogous (+30°)
- Charlton Brown CW-265 · triadic (120°)
- Absolute Green 2043-10 · triadic (240°)
Blue Grotto vs popular colors
- Naval (Sherwin-Williams SW 6244, ΔE 11.2) is darker (LRV 4.5 vs 6.2), more yellow/warm, more green, more muted.
- Shadow (Benjamin Moore 2117-30, ΔE 12.4) is lighter (LRV 9.3 vs 6.2), more yellow/warm, more green, more muted.
- Gentleman's Gray (Benjamin Moore 2062-20, ΔE 13.0) is about as light, more yellow/warm, more green, more muted.