Ref. #5B7074 · historic-portsmouth-blue
Portsmouth Blue
15%LRV Value
NeutralUndertone
Portsmouth Blue Technical Profile
What color is Portsmouth Blue? It's a deep cool gray with the hex code #5B7074. Colors similar to Portsmouth Blue include Vista Paint Bowman Blue, Vista Paint Portsmouth Blue, Sherwin-Williams Riverway. Portsmouth Blue has a neutral undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 15, Portsmouth 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, Portsmouth 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 Portsmouth Blue
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Portsmouth Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Portsmouth Blue
#5B7074
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#68799A
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Portsmouth Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Portsmouth 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 Hirshfield's Colors
Other Hirshfield's colors close to Portsmouth 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.
Portsmouth Blue — Frequently Asked Questions
What undertone does Portsmouth Blue have?
Portsmouth Blue by Hirshfield's has a neutral undertone and belongs to the gray color family.
What colors match Portsmouth Blue from other brands?
The closest matches are Bowman Blue by Vista Paint (#587075), Portsmouth Blue by Vista Paint (#5E7275), Riverway by Sherwin-Williams (#5D7274). Always verify with physical samples.
What is the LRV of Portsmouth Blue?
Portsmouth Blue has an LRV of 15.1, where 0 is pure black and 100 is pure white.
Explore More with Portsmouth 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 Portsmouth Blue's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.