Ref. #173F67 · 570D-7
Nocturnal Sea
7%LRV Value
NeutralUndertone
Nocturnal Sea Technical Profile
What color is Nocturnal Sea? It's a dark cool blue with the hex code #173F67. Colors similar to Nocturnal Sea include Dutch Boy Delft Blue, Benjamin Moore Symphony Blue, Sherwin-Williams Honorable Blue. Nocturnal Sea has a neutral undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 7, Nocturnal 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 Nocturnal Sea
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Nocturnal Sea
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Nocturnal Sea
#173F67
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#37377A
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Nocturnal Sea
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Nocturnal 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 Behr Colors
Other Behr colors close to Nocturnal 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.
Nocturnal Sea — Frequently Asked Questions
What undertone does Nocturnal Sea have?
Nocturnal Sea by Behr has a neutral undertone and belongs to the blue color family.
What colors match Nocturnal Sea from other brands?
The closest matches are Delft Blue by Dutch Boy (#003B67), Symphony Blue by Benjamin Moore (#213C5E), Honorable Blue by Sherwin-Williams (#164576). Always verify with physical samples.
What is the LRV of Nocturnal Sea?
Nocturnal Sea has an LRV of 7.0, where 0 is pure black and 100 is pure white.
Explore More with Nocturnal 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 Nocturnal Sea's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.