Sapphire blue vs French Gray

RAL Classic
·
Farrow & Ball

Sapphire blue is a RAL Classic color while French Gray comes from Farrow & Ball. At LRV 43 vs 6, French Gray will read as the brighter of the two — a 37-point gap that matters most in north-facing or low-light rooms. At ΔE 59.0, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions.

Sapphire blue vs French Gray Color Comparison

Bathroom
Bedroom
House
Kitchen Cabinets
Living Room

Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.

ΔE 59.0Very different colors

Color Details

Sapphire blue
RAL Classic · RAL 5003
Hex#1F3855
LRV6.2
BrandRAL Classic
NumberRAL 5003
Undertone
Temperature
Brightnessdark
View Sapphire blue
French Gray
Farrow & Ball · 18
Hex#b5b19a
LRV43.3
BrandFarrow & Ball
Number18
Undertone
Temperaturewarm
Brightnessmedium
View French Gray

Sapphire blue vs French Gray in Real Spaces

Seeing Sapphire blue and French Gray in actual rooms makes the difference concrete. Browse the spaces below to get a feel for how each color lives on a wall. Showing 6 room types where both colors have photos.

Living Room

Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. French Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.

Sapphire blue
Sapphire blue RAL 5003 stairs

@jak_chemia

French Gray
Farrow and Ball 18 living room paint

@over_at_overview

Bedroom

Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that French Gray will make the room feel meaningfully brighter than Sapphire blue would.

Sapphire blue
RAL 5003 bedroom accent wall

@sentimouk

French Gray
Farrow and Ball French Gray bedroom color review

@renovating_a_nightmare

Bathroom

Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that French Gray will make the room feel meaningfully brighter than Sapphire blue would.

Sapphire blue
RAL 5003 bathroom vanity

@miedzy_modern_a_farmhouse

French Gray
Farrow and Ball French Gray bathroom review

@livingwithchlo_

House

At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that French Gray will make the room feel meaningfully brighter than Sapphire blue would.

Sapphire blue
 Sapphire blue house exterior color

@menuiserie.pierrevincent

French Gray
Farrow and Ball French Gray house exterior review

@mylittledorsetcottageofdreams

Front Door

Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. French Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.

Sapphire blue
 Sapphire blue front door paint

@schildersbedrijf_hanstreffers

French Gray
French Gray front door inspiration

@the_rutland_lady

Kitchen Cabinets

On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that French Gray will make the room feel meaningfully brighter than Sapphire blue would.

Sapphire blue
RAL 5003 kitchen cabinets inspiration

@theladypaintdecor

French Gray
French Gray kitchen cabinets photo

@myfirstvictorianhome_247

More Sapphire blue comparisons

See how Sapphire blue stacks up against other well-photographed colors across different brands and tones.

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Sapphire blue
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RAL Classic

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Sapphire blue
S 0502-Y

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