Ref. #434B4D · 7011
Iron Grey
7%LRV Value
Cool (Blue)Undertone
Iron Grey Technical Profile
What color is Iron Grey? It's a dark cool gray with the hex code #434B4D. Colors similar to Iron Grey include Sherwin-Williams Big Dipper, Benjamin Moore Stonecutter, Behr Catskill Brown. Iron Grey has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 7, Iron Grey 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, Iron Grey 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 Iron Grey
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Iron Grey
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Iron Grey
#434B4D
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#4E5A75
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Iron Grey
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Iron Grey 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 RAL Colors
Other RAL colors close to Iron Grey.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Iron Grey — Frequently Asked Questions
What undertone does Iron Grey have?
Iron Grey by RAL has a cool (blue) undertone and belongs to the gray color family.
What colors match Iron Grey from other brands?
The closest matches are Big Dipper by Sherwin-Williams (#41494B), Stonecutter by Benjamin Moore (#444D50), Catskill Brown by Behr (#444A4C). Always verify with physical samples.
What is the LRV of Iron Grey?
Iron Grey has an LRV of 6.8, where 0 is pure black and 100 is pure white.
Explore More with Iron Grey
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 Iron Grey's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.