Sunlight illuminates a plush cream sofa and natural oak floors against walls painted in Benjamin Moore Hamilton Blue (Hex #5F767F) featuring classic white wainscoting.
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Hamilton Blue HC-191

Benjamin Moore
LRV 18.25

Hamilton Blue by Benjamin Moore is a sophisticated, medium-dark slate blue with subtle green and gray undertones. This historic, stony blue shade brings a sense of timeless depth and elegance to any space, perfectly balancing cool tones with a muted, approachable character.

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Paint Technical Profile

Color ID / SKU HC-191
HEX Code #5F767F
Light Reflectance (LRV) 18.25
Temperature Cool
Primary Undertone Gray
Hidden Undertones Green
Use Interior, Exterior
Best Exposures South, West
Best For Living rooms, bedrooms, dining rooms, cabinetry, exterior accents

Digital Visualizations & Applications Explore curated design concepts and coordinating palettes.

A split conceptual board showing a Benjamin Moore Hamilton Blue living room on top and tactile walnut, linen, and brass materials below.

Digital visualization: This serene blue-gray hue anchors a transitional living space with warm walnut and brass accents.

Design Specifications

  • Lighting Exposure:Soft afternoon natural light, diffused through sheer curtains, casting gentle ambient shadows.
  • Trim Recommendation:White Dove
  • Key Materials:Walnut wood and natural linen
  • Hardware Finishes:Antique brass
  • Flooring:Wide plank white oak
  • Vibe:Transitional and serene

Complementary Paint Colors

White Dove Benjamin Moore • OC-17
A digital visualization board featuring a modern minimalist bedroom with a muted blue accent wall above a flat-lay of boucle and cotton.

Concept board: A dusty blue-gray accent wall warms up a minimalist bedroom bathed in low-angle morning sunlight.

Design Specifications

  • Lighting Exposure:Warm morning sunlight entering at a low angle, creating long, inviting shadows.
  • Coordinating Colors:Pale Oak
  • Soft Furnishings:White boucle and washed cotton
  • Accent Metals:Matte black
  • Architectural Style:Modern minimalist

Complementary Paint Colors

Pale Oak Benjamin Moore • OC-20
A composite design board displaying a refined dining room with dark blue walls over wainscoting, paired with physical mahogany and velvet samples.

Color test: Moody evening ambient light deepens this rich blue tone above classic white wainscoting and mahogany furniture.

Design Specifications

  • Lighting Exposure:Moody evening ambient light with a central glowing chandelier, creating a dramatic, intimate atmosphere.
  • Trim Recommendation:Chantilly Lace
  • Key Materials:Dark mahogany and navy velvet
  • Hardware Finishes:Polished nickel
  • Architectural Detail:Classic wainscoting

Complementary Paint Colors

Chantilly Lace Benjamin Moore • OC-65
A split layout concept board presenting a kitchen with muted blue-gray cabinetry on top and physical marble, zellige, and brass samples below.

Design visualization: Bright overhead and under-cabinet lighting illuminates these slate-blue kitchen cabinets against white zellige tiles.

Design Specifications

  • Lighting Exposure:Bright overhead recessed lighting combined with an under-cabinet warm glow.
  • Countertop Material:Calacatta marble
  • Hardware Finishes:Unlacquered brass
  • Backsplash:Hand-glazed white zellige tiles
  • Flooring:Herringbone brick
A digital design board illustrating a coastal cottage exterior with a blue-gray front door above a flat-lay of cedar and copper.

Exterior color study: Midday sunlight casts crisp shadows across this muted blue door and natural cedar shingles.

Design Specifications

  • Lighting Exposure:Bright, direct midday sunlight casting sharp, crisp shadows.
  • Siding Color:Swiss Coffee
  • Key Materials:Natural cedar shingles and copper gutters
  • Hardware Finishes:Aged bronze
  • Landscaping:Boxwood hedges

Complementary Paint Colors

Swiss Coffee Benjamin Moore • OC-45

Room Compatibility & Clashes Diagnoses

Hackrea's reports evaluating the compatibility of Hamilton Blue in real rooms.
1 Space Analyzed
62
Match Score Verified
Tested Sep 20, 2026 Analyzed via User Photos

East-Facing Multipurpose Room

Tested Surface: Accent Wall, Upper Cabinets, Lower Cabinets
Rust-Red Textured Carpet, Crisp White Trim, Striped Floral Wallpaper, ...
Hackrea Diagnostic Verdict

"The paint creates a bold complementary contrast against the rust-red flooring, though diminished afternoon daylight risks making the deep hue appear shadowy."

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