inspiration · French
BM Hale Navy Staircase French Wall Molding
BM Hale Navy Staircase French Wall Molding: wall elevation, color data (LRV 7.1), staircase layout for 8, 12, 16 ft walls, cut list, calculator and pre-cut ki
Project calculator
Overview
BM Hale Navy (HC-154) is a dark purple with a violet undertone and a calculated LRV of 7.1. Against white trim the contrast ratio is 7.82:1, which gives strong, graphic contrast; painted tone-on-tone, the french pattern shows only through its shadow lines.
French layout on a 12 ft staircase wall
Molding over the full wall height, upper and lower rows divided by a chair rail. On a 12 ft wall with an 8 ft ceiling this gives 4 frames per row, each 31 in wide, with 50 in upper and 21 in lower frames. The layout uses about 67.06 m of 2.5 cm molding, or 28 sticks of 240 cm, including 10% waste. Frames follow the stair angle: keep the bottom rail parallel to the stringer.
Building the french pattern
French panels add stepped inner corners: small square returns cut from the same molding replace the plain inner miter. Mark the corner squares with a template before fixing.
Painting molding in BM Hale Navy
Muted violets work tone-on-tone in bedrooms; keep the sheen low on the wall.
Wall elevation
Color data
| Color | Brand | Code | Hex | Calculated LRV | Undertone | Depth | Contrast vs white trim | Contrast vs black trim |
|---|---|---|---|---|---|---|---|---|
| BM Hale Navy | Benjamin Moore | HC-154 | #444C57 | 7.1 | violet | dark | 7.82:1 | 1.9:1 |
Trim color pairings
| Pairing | Trim color | Hex | Contrast | Effect |
|---|---|---|---|---|
| tone-on-tone | BM Hale Navy | #444C57 | 1:1 | Trim painted the same color as the wall |
| matching white | BM Chantilly Lace | #F4F6F1 | 7.98:1 | White with the closest undertone |
| contrast | White | #F4F3EE | 7.82:1 | Light trim for crisp contrast |
Staircase wall sizes: french accent wall layout
| Wall width | Frames per row | Frame width | Frame height (upper / lower) | Molding incl. 10% waste | 240 cm sticks | Chair rail pieces (300 cm) |
|---|---|---|---|---|---|---|
| 8 ft | 3 | 26.7 in | 50 / 21 in | 47.05 m | 20 | 1 |
| 12 ft | 4 | 31 in | 50 / 21 in | 67.06 m | 28 | 2 |
| 16 ft | 5 | 33.6 in | 50 / 21 in | 87.06 m | 37 | 2 |
Cut list for a 12 ft wall
| Piece | Quantity | Length |
|---|---|---|
| Frame top and bottom (lower row) | 8 | 31 in |
| Frame sides (lower row) | 8 | 21 in |
| Frame sides (upper row) | 8 | 50 in |
| Frame top and bottom (upper row) | 8 | 31 in |
| Inner frame pieces | 32 | 23 in / 13 in |
| Chair rail | 2 | 300 cm lengths |
Pre-cut kits for this wall
Pre-cut kits that fit this project. Open a kit for photos, options and pricing.
01 / KITNested Picture Frame French Trim Wall Molding Kit, 2 Frames, Self-Adhesive Paintable
From $110.00
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02 / KITFrench Peel and Stick Wall Molding Kit, 4 Upper, 4 Middle, and 4 Bottom Frames | Easy Installation
From $75.00
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03 / KITFrench Accent Wall Trim Molding Kit, Picture Frame Paneling | Easy Installation
From $232.74
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04 / KITFrench Step Corner Picture Frame Wall Molding Kit | Pre-Cut Peel and Stick Wall Molding
From $205.56
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05 / KITFrench Picture Frame Wainscoting Wall Molding Kit | Self-Adhesive Easy Installation
From $189.70
View kitQuestions
How much molding do I need for a 12 ft staircase wall with french frames?
About 67.06 m (220 linear ft) including a chair rail and 10% waste, which is 28 sticks of 240 cm. That assumes 4 frames per row, 31 in wide, on an 8 ft ceiling.
Is BM Hale Navy warm or cool?
BM Hale Navy has a violet undertone and reads as a dark purple. Its calculated LRV is 7.1, so it absorbs light, so tone-on-tone molding reads as deep relief.
Should trim be the same color as BM Hale Navy walls?
Painting the molding the same color gives a modern, tone-on-tone finish where only shadows show the pattern. White trim adds strong, graphic contrast (7.82:1), and black trim gives 1.9:1.
How high should the chair rail be in a staircase?
About one third of the ceiling height: 32 in on an 8 ft ceiling, 36 in on 9 ft and 40 in on 10 ft. Frames follow the stair angle: keep the bottom rail parallel to the stringer.
Trace the details
Sources & dates
Prices, options and photos come from our product catalog on the date shown. Layout tables are planning estimates; measure your wall before ordering.
- Paint color dataset (screen approximations; LRV calculated)Recorded November 11, 2026
- DecoMoldings product catalogRecorded November 11, 2026