Duchess Blue
30BB 47/179 · #A3B5D7 · LRV 47 — cool blue tone, mid-tone — versatile but shifts visibly with light.
- 1Charcoal Blue19
- 2Resolute Blue40
- 3Duchess Blue47
- 4Honolulu Blue62
- 5After Rain68
What Color Is Duchess Blue, Really?
Duchess Blue reads as a cool blue tone — mid-tone — versatile but shifts visibly with light. The notes below cover how Glidden 30BB 47/179 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Duchess Blue
Duchess 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 Duchess Blue
Duchess Blue sits in the mid-range at LRV 47, 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 Duchess 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 Glidden 30BB 47/179 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 | Awesome VioletSW 6815 · Sherwin-Williams | 2.7 | 45 | Color page → |
| Behr | Blue SuedePPU14-10 · Behr | 4.8 | 45 | Color page → |
| Benjamin Moore | Riviera Azure822 · Benjamin Moore | 2.3 | 45 | Color page → |
| Valspar | Lavender BlueV074-4 · Valspar | 2.0 | 43.8 | Color page → |
| PPG / Glidden | Lilac SachetPPG1245-4 · PPG / Glidden | 2.3 | 47 | Color page → |
| Dutch Boy | Twilight Dreams240-3DB · Dutch Boy | 1.7 | 46 | Color page → |
Similar Glidden Colors
The nearest shades to Duchess Blue within Glidden'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 #A3B5D7 in HSL space. Pair Duchess Blue with one accent and one neutral — the swatches below are starting points, not final picks.
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