Ref. #4387AC · 5001-10C
Deep Blue Sea
22%LRV Value
Cool (Blue)Undertone
Deep Blue Sea Technical Profile
What color is Deep Blue Sea? It's a deep cool blue with the hex code #4387AC. Colors similar to Deep Blue Sea include PPG Cosmopolitan, Kilz Blue Eyed Beauty, Dunn-Edwards Blueberry Muffin. Deep Blue Sea has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 22, Deep Blue Sea creates a dramatic, enveloping mood — best on accent walls, dining rooms, and intimate spaces where atmosphere matters more than reflected light. Pair it with cool whites like Chantilly Lace, walnut or rift-cut oak floors, and brushed nickel or polished chrome hardware. Brass accents add warmth for a layered look. Blues stay crisp under 4000K+ cool LEDs. Under 2700K warm bulbs they can read grayer or shift slightly purple — particularly true for mid-tone and saturated blues.
Colors Similar to Deep Blue Sea
Closest digital match based on color values. Always verify with physical samples.
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 belongs to the blue color family.
What colors match Deep Blue Sea from other brands?
The closest matches are Cosmopolitan by PPG (#528BAB), Blue Eyed Beauty by Kilz (#4289A8), Blueberry Muffin by Dunn-Edwards (#5588AB). Always verify with physical samples.
What is the LRV of Deep Blue Sea?
Deep Blue Sea has an LRV of 21.5, where 0 is pure black and 100 is pure white.
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.