Cool Dusk 550F-4 is a blue paint color from Behr. It has a hex value of #73B3C0, LRV 31 and a cool (blue) undertone. Its closest cross-brand match is Sea Serenade from Valspar (nearly identical), with 49 more equivalents across other brands.
Ref. #73B3C0 · 550F-4
Cool Dusk
31%LRV Value
Cool (Blue)Undertone
Cool Dusk Technical Profile
Use this color
Get this color
Some sample and supply links are affiliate links — if you buy through them, Paint Color HQ may earn a small commission at no extra cost to you. It helps keep the site free.
Cool Dusk in Every Brand
The closest equivalent to Cool Dusk in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
BehrCool Dusk
Nearly identical
ValsparSea Serenade
Sea Serenade
Valspar
Nearly identical
Bayville Blue
Benjamin Moore
Nearly identical
Watson Lake
Dunn-Edwards
Nearly identical
Nautilus
Sherwin-Williams
Nearly identical
Serene Summit
Kilz
Nearly identical
Sailing Sea Blue
PPG
Very similar
Wet Surfboard
Dutch Boy
Very similar
Turquoise Trick
Vista Paint
Very similar
Lobster
Farrow & Ball
Very similar
Trisha's Eyes
Hirshfield's
Very similar
Pastel Turquoise
RAL
Visible difference
Dream .04
Colorhouse
Visible difference
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Recommended Pairings
Colors That Work With Cool Dusk
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Cool Dusk
#73B3C0
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#8291B0
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Cool Dusk
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Cool Dusk 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 Behr Colors
Other Behr colors close to Cool Dusk.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Cool Dusk — Frequently Asked Questions
What undertone does Cool Dusk have?
Cool Dusk by Behr has a cool (blue) undertone and sits in the blue color family. The undertone shifts with light — warmer under 2700K bulbs, cleaner and cooler under 4000K daylight — so sample Cool Dusk in your own space before committing.
What colors match Cool Dusk from other brands?
The closest cross-brand equivalents to Cool Dusk are Sea Serenade by Valspar (a near-identical match), Bayville Blue by Benjamin Moore (a near-identical match), Watson Lake by Dunn-Edwards (a near-identical match) — the best options for getting Cool Dusk'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 Cool Dusk?
Cool Dusk has a Light Reflectance Value (LRV) of 31.0, on a scale where 0 is pure black and 100 is pure white — that makes it a mid-depth color with real presence — strong on accent walls, libraries, and rooms with good natural light.
Explore More with Cool Dusk
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 Cool Dusk's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.