Black blue vs Tranquil Dawn

RAL Classic
·
Dulux

Black blue is a RAL Classic color while Tranquil Dawn comes from Dulux. At LRV 55 vs 5, Tranquil Dawn will read as the brighter of the two — a 50-point gap that matters most in north-facing or low-light rooms. At ΔE 68.1, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions.

Black blue vs Tranquil Dawn 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 68.1Very different colors

Color Details

Black blue
RAL Classic · RAL 5004
Hex#191E28
LRV4.6
BrandRAL Classic
NumberRAL 5004
Undertone
Temperature
Brightnessdark
View Black blue
Tranquil Dawn
Dulux · 45GY 55/052
Hex#BDC3B9
LRV55.0
BrandDulux
Number45GY 55/052
Undertone
Temperatureneutral
Brightnessmedium
View Tranquil Dawn

Black blue vs Tranquil Dawn in Real Spaces

Seeing Black blue and Tranquil Dawn in actual rooms makes the difference concrete. Browse the spaces below to get a feel for how each color lives on a wall. Showing 1 room type where both colors have photos.

Kitchen Cabinets

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

Black blue
RAL Classic  Black blue kitchen cabinets color

@lma.paris

Tranquil Dawn
Tranquil Dawn kitchen cabinets color review

@everythingsrosiedecorating

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