Blue Iolite (Behr MQ4-25)
Illustrative room. Screen colors vary; test a sample before you paint.
Blue Iolite (Behr MQ4-25) is a deep, cool blue from Behr: LRV 20.7, so it reflects about 21 percent of the light that hits it.
Colors that go with Blue Iolite
Four Behr colors picked for Blue Iolite by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Blue Iolite, ranked by CIEDE2000 (deltaE): under 1.0 is indistinguishable, 1.0 to 2.3 very close, 2.3 to 5 noticeably different, over 5 clearly different.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Sherwin-Williams | Perfect Periwinkle | SW 9065 | 23 | 4.1 | noticeably different |
| Benjamin Moore | Watertown | 818 | 22.6 | 1.0 | indistinguishable |
| Valspar | Wellspring | 4007-8B | 22 | 3.2 | noticeably different |
| PPG Paints | Shrinking Violet | 1162-5 | 22 | 3.0 | noticeably different |
Lighter and darker in Behr
The Behr blue colors nearest to Blue Iolite (LRV 20.7 (estimated)) by LRV.
Lighter than Blue Iolite
Darker than Blue Iolite
Color data
| Brand | Behr |
|---|---|
| Color code | MQ4-25 |
| Hex | #587EBE |
| RGB | 88, 126, 190 |
| HSL | 218°, 44%, 55% |
| LRV (light reflectance value) | 20.7 (estimated from the hex) |
| Lab L*, a*, b* | 52.6, 5.4, -37.6 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Blue Iolite (Behr MQ4-25), published as #587EBE
#3B75BC
#7187BF
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Blue Iolite (Behr MQ4-25)?
- Blue Iolite has an LRV of 20.7 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Blue Iolite is a deep color.
- What is the closest match to Blue Iolite in another brand?
- Watertown (BM 818) from Benjamin Moore, at a deltaE of 1.0 (indistinguishable).
- Is Blue Iolite warm or cool?
- Behr lists Blue Iolite as cool, with a Cool Blue undertone. Its Lab b* value is -37.6; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.