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Loyal Blue SW 6510
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Saturated blue (a color, not a neutral)
In CIELAB, Loyal Blue sits at L* 26.9, a* -8.9, b* -20.1. Its hue angle is 246° and its chroma is 22.0, so it reads as an outright blue rather than a neutral. It classifies as cool. Among Sherwin-Williams colors with a similar LRV (±5), it is warmer (more yellow) than 9%.
LRV 5.0: very dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 5.0, Loyal Blue is lighter than 4% of Sherwin-Williams colors. Near-black depth. Use on doors, trim, cabinetry, exteriors or moody rooms with strong artificial lighting.
Closest Benjamin Moore match to Loyal 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 | |
|---|---|---|---|---|
| Adriatic Sea | CSP-660 | 1.31 | Very close | |
| Hidden Sapphire | CSP-690 | 3.77 | Close — difference visible side by side | |
| Twilight | 2058-10 | 3.99 | Close — difference visible side by side |
Closest Behr match to Loyal 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 | |
|---|---|---|---|---|
| Planetarium | 560D-7 | 5.03 | Similar, clearly different | |
| Outerspace | ECC-53-3 | 5.94 | Similar, clearly different | |
| Nocturnal Sea | 570D-7 | 6.29 | Similar, clearly different |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Blue Grotto | SW 2941 | 4.46 | Similar, clearly different | |
| Rainstorm | SW 6230 | 4.90 | Similar, clearly different | |
| Moscow Midnight | SW 9142 | 5.33 | Similar, clearly different | |
| Salty Dog | SW 9177 | 5.61 | Similar, clearly different | |
| Dignity Blue | SW 6804 | 5.69 | Similar, clearly different | |
| Regatta | SW 6517 | 6.10 | Similar, clearly different |
Lighter and darker versions
Colors from Sherwin-Williams with nearly the same hue and saturation, one step lighter or darker.
- Dignity Blue SW 6804 · lighter, LRV 6.4
- Blue Grotto SW 2941 · lighter, LRV 0.0
- Marea Baja SW 9185 · lighter, LRV 7.8
Colors that go with Loyal Blue
Sherwin-Williams's own coordinating colors for Loyal Blue:
- Grecian Ivory SW 7541
- Fenland SW 7544
- Sky High SW 6504
Color-theory pairings — the nearest Sherwin-Williams color to each rotated hue, keeping the same lightness and saturation:
- French Roast SW 6069 · complementary (180°)
- Blue Hill SW 2939 · analogous (−30°)
- Dress Blues SW 9176 · analogous (+30°)
- Burgundy SW 6300 · triadic (120°)
- Greenhouse SW 2933 · triadic (240°)
Loyal Blue vs popular colors
- Gentleman's Gray (Benjamin Moore 2062-20, ΔE 6.1) is lighter (LRV 7.3 vs 5.0), more yellow/warm, more red/pink, more muted.
- Naval (Sherwin-Williams SW 6244, ΔE 8.7) is about as light, more yellow/warm, more red/pink, more muted.
- Van Deusen Blue (Benjamin Moore HC-156, ΔE 11.2) is lighter (LRV 12.0 vs 5.0), more yellow/warm, more red/pink, more muted.