Secure Blue
SW 6508 · #5389A1 · LRV 22 — cool blue-green tone, dark — high drama, needs strong daylight or warm bulbs.
- 1Hale Navy8
- 2Waterloo13
- 3Secure Blue22
- 4Resolute Blue40
- 5Lost in the 80s51
What Color Is Secure Blue, Really?
Secure Blue reads as a cool blue-green tone — dark — high drama, needs strong daylight or warm bulbs. The notes below cover how Sherwin-Williams SW 6508 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Secure Blue
Secure Blue works best as a feature — a single wall, built-ins, a study or dining room — rather than wrapping a whole bright space. Blues calm a room, which makes them popular in bedrooms, bathrooms and home offices.
How Lighting Changes Secure Blue
With an LRV of 22, Secure Blue is a deep, dramatic shade. It soaks up light in north-facing rooms and looks richest where strong daylight hits it. 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. Warm artificial light softens it; cool LED can make it look flat, so match your bulbs to the mood you want.
Most complaints about Secure 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 Sherwin-Williams SW 6508 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 | |
|---|---|---|---|---|
| Behr | Jay BirdS490-5 · Behr | 1.5 | 21 | Color page → |
| Benjamin Moore | Blue Daisy2062-40 · Benjamin Moore | 1.5 | 26 | Color page → |
| Valspar | Brookside4008-6A · Valspar | 2.4 | 21.7 | Color page → |
| PPG / Glidden | CosmopolitanPPG1158-5 · PPG / Glidden | 2.3 | 23 | Color page → |
| Glidden | Dark Westwind Blue30BG 24/224 · Glidden | 4.1 | 24 | Color page → |
| Dutch Boy | Estuary235-6DB · Dutch Boy | 1.8 | 22 | Color page → |
Similar Sherwin-Williams Colors
The nearest shades to Secure Blue within Sherwin-Williams'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 #5389A1 in HSL space. Pair Secure Blue with one accent and one neutral — the swatches below are starting points, not final picks.
Have you painted with Secure Blue?
Rate it — one tap helps the next reader decide.
Ask a Question