Ref. #3D4450 · 2739
Charcoal Blue
6%LRV Value
NeutralUndertone
Charcoal Blue Technical Profile
What color is Charcoal Blue? It's a dark cool gray with the hex code #3D4450. Colors similar to Charcoal Blue include Dunn-Edwards Parisian Night, Behr Starless Night, RAL Slate Grey. Charcoal Blue has a neutral undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 6, Charcoal Blue creates a dramatic, enveloping mood — best on accent walls, dining rooms, and intimate spaces where atmosphere matters more than reflected light. As a cool neutral, Charcoal Blue pairs with cool whites for trim, gray-toned or rift-cut oak floors, and brushed nickel or polished chrome hardware. Black accents and natural greenery add contrast. Cool neutrals hold their crisp quality under 4000K+ daylight bulbs. Under 2700K warm light they soften considerably — particularly true for any blue or green undertone.
Colors Similar to Charcoal Blue
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Charcoal Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Charcoal Blue
#3D4450
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#524D73
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Charcoal Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Charcoal Blue 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 Sherwin-Williams Colors
Other Sherwin-Williams colors close to Charcoal Blue.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Charcoal Blue — Frequently Asked Questions
What undertone does Charcoal Blue have?
Charcoal Blue by Sherwin-Williams has a neutral undertone and belongs to the gray color family.
What colors match Charcoal Blue from other brands?
The closest matches are Parisian Night by Dunn-Edwards (#3F4855), Starless Night by Behr (#3E4855), Slate Grey by RAL (#434750). Always verify with physical samples.
What is the LRV of Charcoal Blue?
Charcoal Blue has an LRV of 5.7, where 0 is pure black and 100 is pure white.
Explore More with Charcoal Blue
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 Charcoal Blue's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.