Ref. #343B4E · DEA185
Old Mill
4%LRV Value
NeutralUndertone
Old Mill Technical Profile
What color is Old Mill? It's a dark cool blue with the hex code #343B4E. Colors similar to Old Mill include Behr Limo-scene, Benjamin Moore Old Navy, Benjamin Moore Deep Royal. Old Mill has a neutral undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 4, Old Mill 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 Old Mill
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Old Mill
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Old Mill
#343B4E
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#51486D
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Old Mill
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Old Mill 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 Dunn-Edwards Colors
Other Dunn-Edwards colors close to Old Mill.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Old Mill — Frequently Asked Questions
What undertone does Old Mill have?
Old Mill by Dunn-Edwards has a neutral undertone and belongs to the blue color family.
What colors match Old Mill from other brands?
The closest matches are Limo-scene by Behr (#333B51), Old Navy by Benjamin Moore (#2F364A), Deep Royal by Benjamin Moore (#303A4C). Always verify with physical samples.
What is the LRV of Old Mill?
Old Mill has an LRV of 4.4, where 0 is pure black and 100 is pure white.
Explore More with Old Mill
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 Old Mill's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.