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Indigo SW 6531
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, Indigo sits at L* 30.7, a* 0.6, b* -25.6. Its hue angle is 271° and its chroma is 25.6, 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 4%.
LRV 6.5: very dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 6.5, Indigo is lighter than 6% 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 Indigo
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 | |
|---|---|---|---|---|
| Downpour Blue | 2063-20 | 1.52 | Very close | |
| Laura Bay | 2064-20 | 2.42 | Close — difference visible side by side | |
| Dark Royal Blue | 2065-20 | 3.39 | Close — difference visible side by side |
Closest Behr match to Indigo
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 | |
|---|---|---|---|---|
| Lake View | PPF-57 | 2.13 | Close — difference visible side by side | |
| Sailboat | S-H-590 | 2.40 | Close — difference visible side by side | |
| Navy Blue | S-H-580 | 2.66 | Close — difference visible side by side |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Commodore | SW 6524 | 1.30 | Very close | |
| Honorable Blue | SW 6811 | 2.57 | Close — difference visible side by side | |
| Dress Blues | SW 9176 | 3.44 | Close — difference visible side by side | |
| Bridgeport | SW 2940 | 3.76 | Close — difference visible side by side | |
| Frank Blue | SW 6967 | 4.02 | Similar, clearly different | |
| Dignity Blue | SW 6804 | 4.39 | Similar, clearly different |
Lighter and darker versions
Colors from Sherwin-Williams with nearly the same hue and saturation, one step lighter or darker.
- Frank Blue SW 6967 · lighter, LRV 8.2
- Jay Blue SW 6797 · lighter, LRV 9.2
- Azure Tide SW 9684 · lighter, LRV 12.3
- Dress Blues SW 9176 · darker, LRV 5.4
- Salty Dog SW 9177 · darker, LRV 4.7
- Liberty Blue SW 2942 · darker, LRV 0.0
Colors that go with Indigo
Sherwin-Williams's own coordinating colors for Indigo:
- Greek Villa SW 7551
- Peristyle Brass SW 0043
- Rarified Air SW 6525
Color-theory pairings — the nearest Sherwin-Williams color to each rotated hue, keeping the same lightness and saturation:
- Momentum SW 9530 · complementary (180°)
- Loyal Blue SW 6510 · analogous (−30°)
- Izmir Purple SW 6825 · analogous (+30°)
- Red Theatre SW 7584 · triadic (120°)
- Shamrock SW 6454 · triadic (240°)
Indigo vs popular colors
- Gentleman's Gray (Benjamin Moore 2062-20, ΔE 7.8) is about as light, more yellow/warm, more green, more muted.
- Van Deusen Blue (Benjamin Moore HC-156, ΔE 8.6) is lighter (LRV 12.0 vs 6.5), more yellow/warm, more green, more muted.
- Naval (Sherwin-Williams SW 6244, ΔE 8.8) is darker (LRV 4.5 vs 6.5), more yellow/warm, more green, more muted.