Bay Area Blue
No. 9815 · #7FA9CB · LRV 37 — cool blue tone, mid-tone — versatile but shifts visibly with light.
- 1Hale Navy8
- 2Waterloo13
- 3Bay Area Blue37
- 4Lost in the 80s51
- 5Honolulu Blue62
What Color Is Bay Area Blue, Really?
Bay Area Blue reads as a cool blue tone — mid-tone — versatile but shifts visibly with light. The notes below cover how Farrow & Ball No. 9815 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Bay Area Blue
Bay Area Blue is versatile enough for full rooms but has enough depth to anchor a space, so it suits living rooms, bedrooms and cabinetry alike. Blues calm a room, which makes them popular in bedrooms, bathrooms and home offices.
How Lighting Changes Bay Area Blue
Bay Area Blue sits in the mid-range at LRV 37, so it shifts visibly through the day — lighter and more open in morning light, deeper and moodier after dark. 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. South-facing rooms will pull it lighter and warmer, while north light cools it down.
Most complaints about Bay Area Blue 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 Farrow & Ball No. 9815 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 | CosmosSW 6528 · Sherwin-Williams | 3.6 | 38 | Color page → |
| Behr | Mirror LakeM520-4 · Behr | 0.9 | 36 | Color page → |
| Benjamin Moore | San Francisco Bay802 · Benjamin Moore | 2.2 | 38 | Color page → |
| Valspar | Blue Eyes4007-8A · Valspar | 1.6 | 36.3 | Color page → |
| PPG / Glidden | ArabellaPPG1157-4 · PPG / Glidden | 3.6 | 38 | Color page → |
| Glidden | Country House Blue90BG 38/185 · Glidden | 2.0 | 38 | Color page → |
Similar Farrow & Ball Colors
The nearest shades to Bay Area Blue within Farrow & Ball'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 #7FA9CB in HSL space. Pair Bay Area Blue with one accent and one neutral — the swatches below are starting points, not final picks.
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