Deep Blue Sea 5001-10C is a blue paint color from Valspar. It has a hex value of #4387AC, LRV 22 and a cool (blue) undertone. Its closest cross-brand match is Cosmopolitan from PPG (very similar), with 49 more equivalents across other brands.
Ref. #4387AC · 5001-10C
Deep Blue Sea
22%LRV Value
Cool (Blue)Undertone
Deep Blue Sea Technical Profile
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Deep Blue Sea in Every Brand
The closest equivalent to Deep Blue Sea in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
ValsparDeep Blue Sea
Very similar
PPGCosmopolitan
Cosmopolitan
PPG
Very similar
Blue Eyed Beauty
Kilz
Very similar
Blueberry Muffin
Dunn-Edwards
Very similar
Finley Blue
Benjamin Moore
Very similar
Mayan Treasure
Behr
Very similar
Hidden Springs
Vista Paint
Very similar
Secure Blue
Sherwin-Williams
Very similar
Coastal Way
Dutch Boy
Very similar
Light Blue
RAL
Visible difference
Peninsula
Hirshfield's
Visible difference
Pea Flower Tea
Farrow & Ball
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 Deep Blue Sea
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Deep Blue Sea
#4387AC
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#747DAE
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Deep Blue Sea
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Deep Blue Sea 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 Deep Blue Sea.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Deep Blue Sea — Frequently Asked Questions
What undertone does Deep Blue Sea have?
Deep Blue Sea by Valspar 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 Deep Blue Sea in your own space before committing.
What colors match Deep Blue Sea from other brands?
The closest cross-brand equivalents to Deep Blue Sea are Cosmopolitan by PPG (a very close match), Blue Eyed Beauty by Kilz (a very close match), Blueberry Muffin by Dunn-Edwards (a very close match) — the best options for getting Deep Blue Sea'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 Deep Blue Sea?
Deep Blue Sea has a Light Reflectance Value (LRV) of 21.5, 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 Deep Blue Sea
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 Deep Blue Sea's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.