Color spec
| Brand | Dutch Boy |
| Name | Grandeur Blue |
| SKU | 431-7DB |
| Hex | #313A45 |
| RGB | 49, 58, 69 |
| HSL | 213°, 17%, 23% |
| LRV | 4 |
| Undertone | cool blue tone |
| Family | Blue |
About Dutch Boy Grandeur Blue
At LRV 4, Grandeur Blue is about as dark as paint gets — it reads near-black on a wall and reveals its character only in direct daylight or under warm bulbs. Its blue undertone is the part to watch: it gets picked up by whatever sits next to it, so test it against your trim, floor and the room's main light before committing. In rooms with little natural light it can feel heavy, so reserve it for spaces you want to feel enveloping.
Grandeur Blue earns its keep as a statement: accent walls, a front door, cabinetry, a moody powder room, or exterior trim where you want sharp contrast. Blues calm a room, which makes them popular in bedrooms, bathrooms and home offices.
Closest matches by brand
15 brands within ΔE 5The closest matches per brand by ΔE2000, computed against each brand's full deck. Only colors within ΔE 5 (close enough to substitute on a wall) are shown — brands with no real match are left off. Tap any swatch for its full single-color spec; tap the brand title to browse all blue from that brand.
Sherwin-Williams
Behr
Benjamin Moore
Valspar
PPG / Glidden
Glidden
HGTV Home by Sherwin-Williams
Dunn-Edwards
Magnolia Home
Hirshfield's
Rodda
C2 Paint
Portola Paints
Rust-Oleum
Kompozit
Similar Dutch Boy colors
closest in the Dutch Boy deckThe nearest shades to Grandeur Blue within Dutch Boy's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
Coordinated palette
Generated by hue-rotating #313A45 in HSL space. Pair Grandeur Blue with one accent and one neutral — the swatches below are starting points, not final picks.
Accessibility (WCAG contrast)
WCAG 2.1: AA = 4.5:1 normal text · AA Large = 3:1 large text · AAA = 7:1 normal text.
Dutch Boy Grandeur Blue Equivalents at Other Brands
Matching Grandeur Blue from a different paint counter? Below is the single closest color in each major US deck and how close it really is. Remember that any paint store can also custom-tint Dutch Boy 431-7DB directly — these equivalents are for when you'd rather stay inside one brand's own deck.
Sherwin-Williams Equivalent of Grandeur Blue
At Sherwin-Williams, the closest color to Grandeur Blue is Naval (SW 6244) — very close at ΔE 2.32, though not an exact twin. It sits at the same lightness (LRV 4 vs 4) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Naval swatch →
Behr Equivalent of Grandeur Blue
At Behr, the closest color to Grandeur Blue is Catwalk (N550-7) — very close at ΔE 2.12, though not an exact twin. It sits at the same lightness (LRV 4 vs 4) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Catwalk swatch →
Benjamin Moore Equivalent of Grandeur Blue
Benjamin Moore's nearest match is Three-Piece-Suit (2062-10), visually identical in normal room light (ΔE 1.06). It runs slightly lighter (LRV 6 vs 4) and carries a cool blue undertone, so it substitutes for Grandeur Blue without repainting risk. See the full Three-Piece-Suit swatch →
Valspar Equivalent of Grandeur Blue
At Valspar, the closest color to Grandeur Blue is Pitch Cobalt (5010-2) — very close at ΔE 3.16, though not an exact twin. It sits at the same lightness (LRV 3.8 vs 4) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Pitch Cobalt swatch →
HGTV Home by Sherwin-Williams Equivalent of Grandeur Blue
At HGTV Home by Sherwin-Williams, the closest color to Grandeur Blue is Naval (HGSW 3351) — very close at ΔE 2.32, though not an exact twin. It sits at the same lightness (LRV 4 vs 4) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Naval swatch →
Dunn-Edwards Equivalent of Grandeur Blue
Dunn-Edwards has no exact twin of Grandeur Blue. The nearest is Old Mill (DEA185) at ΔE 4.94 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 5 vs 4). Compare large swatches before substituting. See the full Old Mill swatch →
Magnolia Home Equivalent of Grandeur Blue
Magnolia Home has no exact twin of Grandeur Blue. The nearest is Blackboard (JG-05) at ΔE 3.68 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 3 vs 4). Compare large swatches before substituting. See the full Blackboard swatch →
Hirshfield's Equivalent of Grandeur Blue
Hirshfield's has no exact twin of Grandeur Blue. The nearest is Octavius (0522) at ΔE 4.2 — close, but the difference shows next to trim and in side light. It runs slightly lighter (LRV 6 vs 4). Compare large swatches before substituting. See the full Octavius swatch →
Rodda Equivalent of Grandeur Blue
At Rodda, the closest color to Grandeur Blue is Midnight (CA210) — very close at ΔE 3.19, though not an exact twin. It sits at the same lightness (LRV 5 vs 4) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Midnight swatch →
C2 Paint Equivalent of Grandeur Blue
At C2 Paint, the closest color to Grandeur Blue is Brigand (C2-757) — very close at ΔE 2.43, though not an exact twin. It sits at the same lightness (LRV 5 vs 4) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Brigand swatch →
Portola Paints Equivalent of Grandeur Blue
At Portola Paints, the closest color to Grandeur Blue is Newton's Indigo (NEWTON'S INDIGO) — very close at ΔE 2.06, though not an exact twin. It sits at the same lightness (LRV 4 vs 4) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Newton's Indigo swatch →
Rust-Oleum Equivalent of Grandeur Blue
Rust-Oleum has no exact twin of Grandeur Blue. The nearest is Charcoal (285144) at ΔE 4.53 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 4 vs 4). Compare large swatches before substituting. See the full Charcoal swatch →
Kompozit Equivalent of Grandeur Blue
Kompozit has no exact twin of Grandeur Blue. The nearest is Octavius (0522) at ΔE 4.2 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 4 vs 4). Compare large swatches before substituting. See the full Octavius swatch →