Nocturnal Sea
570D-7 · #173F67 · LRV 5 — cool blue tone, very dark — reads black in most rooms.
- 1Nocturnal Sea5
- 2Waterloo13
- 3Charcoal Blue19
What Color Is Nocturnal Sea, Really?
Nocturnal Sea reads as a cool blue tone — very dark — reads black in most rooms. The notes below cover how Behr 570D-7 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Nocturnal Sea
Nocturnal 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 Nocturnal Sea
At LRV 5, Nocturnal 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 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.
Most complaints about Nocturnal 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 570D-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 | Salty DogSW 9177 · Sherwin-Williams | 4.6 | 5 | Color page → |
| Benjamin Moore | Symphony Blue2060-10 · Benjamin Moore | 2.6 | 6 | Color page → |
| Valspar | Sapphire EarringsM240 · Valspar | 2.8 | 5.2 | Color page → |
| PPG / Glidden | Blue TangPPG1160-7 · PPG / Glidden | 4.1 | 7 | Color page → |
| Glidden | Blue TangPPG1160-7 · Glidden | 4.1 | 7 | Color page → |
| Dutch Boy | Anchor's Away140-7DB · Dutch Boy | 3.9 | 5 | Color page → |
Similar Behr Colors
The nearest shades to Nocturnal 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 #173F67 in HSL space. Pair Nocturnal Sea with one accent and one neutral — the swatches below are starting points, not final picks.
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