Boisterous Blue 4009-6 is a blue paint color from Valspar. It has a hex value of #375264, estimated LRV 8 and a neutral undertone. Its closest cross-brand match is Day Spa from Hirshfield's (nearly identical), with 49 more equivalents across other brands.
Valspar · #375264 · 4009-6
Boisterous Blue
8%Estimated LRV
NeutralUndertone
Boisterous Blue Technical Profile
HEX Code#375264
RGB55, 82, 100
Estimated LRV7.8
UndertoneNeutral
Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.
Color Familyblue
BrandValspar
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Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.
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Compare alternatives to Boisterous Blue
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Day Spa
Hirshfield's
#3D5463
Close digital match
Midnight Blue
Behr
#354E61
Close digital match
Day Spa
Vista Paint
#3E5261
Close digital match
Summer Night
Dunn-Edwards
#36576A
Similar digital color
Alaskan Night
Dutch Boy
#3F5869
Similar digital color
Regatta Bay
PPG
#2D5367
Similar digital color
Endless Sea
Sherwin-Williams
#32586E
Similar digital color
Summer Nights
Benjamin Moore
#35596D
Similar digital color
Saxophone Solo
Kilz
#3F556C
Similar digital color
Hague Blue
Farrow & Ball
#3D4E57
Similar digital color
Wool .06
Colorhouse
#485761
Similar digital color
Azure Blue
RAL
#025669
Visible digital difference
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Generated palette previews
Colors That Work With Boisterous Blue
These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Boisterous Blue
#375264
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#52577C
Trim & Molding
Digital white
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Boisterous Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Boisterous Blue Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar Valspar Colors
Other Valspar colors close to Boisterous Blue.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Boisterous Blue — Frequently Asked Questions
What undertone does Boisterous Blue have?
Boisterous Blue by Valspar has a neutral undertone and sits in the blue color family. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Boisterous Blue from other brands?
The closest cross-brand equivalents to Boisterous Blue are Day Spa by Hirshfield's (a close digital match), Midnight Blue by Behr (a close digital match), Opera Glasses by Behr (a close digital match) — the best options for getting Boisterous Blue's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Boisterous Blue?
Boisterous Blue has a estimated lightness value of 7.8, on a scale where 0 is pure black and 100 is pure white — that makes it a deep, dramatic color best saved for accent walls, dining rooms, and cozy spaces where atmosphere matters more than reflected light.
Explore More with Boisterous Blue
Related Reading
How to Match Paint Colors Across Brands
The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.
Understanding Paint Color Undertones
Why Boisterous Blue's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.