Deep Blue Sea
540D-7 · #105D7B · LRV 9 — cool blue-green tone, very dark — reads black in most rooms.
- 1Naval4
- 2Deep Blue Sea9
- 3Smoky Blue15
- 4Wolf Gray21
What Color Is Deep Blue Sea, Really?
Deep Blue Sea reads as a cool blue-green tone — very dark — reads black in most rooms. The notes below cover how Behr 540D-7 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Deep Blue Sea
Deep Blue Sea 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.
How Lighting Changes Deep Blue Sea
At LRV 9, Deep Blue Sea 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 teal 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.
Most complaints about Deep Blue Sea are a light mismatch. Upload a photo of your actual room and see it on your walls — then ask for the same wall in north light or evening lamps before you buy a single sample.
Need It From Another Brand?
Any paint counter can custom-tint Behr 540D-7 directly. If you would rather stay in one brand's own deck, these are the closest stock matches, measured as ΔE2000. Under 2 is a difference you will not see on the wall.
| Brand | Closest color | ΔE | LRV | |
|---|---|---|---|---|
| Sherwin-Williams | Adriatic SeaSW 6790 · Sherwin-Williams | 1.3 | 9 | Color page → |
| Benjamin Moore | Bermuda Blue2061-30 · Benjamin Moore | 3.1 | 12 | Color page → |
| Valspar | Blue Jay CrestP031 · Valspar | 2.2 | 8.6 | Color page → |
| PPG / Glidden | Jamaican DreamPPG1151-7 · PPG / Glidden | 3.3 | 10 | Color page → |
| Glidden | Jamaican DreamPPG1151-7 · Glidden | 3.6 | 10 | Color page → |
| Dutch Boy | Ribbon Blue237-7DB · Dutch Boy | 2.4 | 10 | Color page → |
Similar Behr Colors
The nearest shades to Deep Blue Sea within Behr's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
WCAG 2.1: AA is 4.5 : 1 for normal text, 3 : 1 for large text, AAA is 7 : 1.
Coordinated palette
Generated by hue-rotating #105D7B in HSL space. Pair Deep Blue Sea with one accent and one neutral — the swatches below are starting points, not final picks.
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