Ref. #3D4B61 · N540-7
Coal Mine
9%LRV Value
NeutralUndertone
Coal Mine Technical Profile
What color is Coal Mine? It's a dark cool blue with the hex code #3D4B61. Colors similar to Coal Mine include Dunn-Edwards Luna Pier, Hirshfield's Quiet Peace, PPG Admiralty. Coal Mine has a neutral undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 9, Coal Mine 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 Coal Mine
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Coal Mine
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Coal Mine
#3D4B61
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#58547D
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Coal Mine
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Coal Mine 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 Coal Mine.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Coal Mine — Frequently Asked Questions
What undertone does Coal Mine have?
Coal Mine by Behr has a neutral undertone and belongs to the blue color family.
What colors match Coal Mine from other brands?
The closest matches are Luna Pier by Dunn-Edwards (#414D62), Quiet Peace by Hirshfield's (#3A4A64), Admiralty by PPG (#404E61). Always verify with physical samples.
What is the LRV of Coal Mine?
Coal Mine has an LRV of 9.0, where 0 is pure black and 100 is pure white.
Explore More with Coal Mine
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 Coal Mine's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.