GREYS

Mediaeval Cobblestone

#878573

RGB 135, 133, 115 · HSL 54°, 8%, 49% · CMYK 0, 1, 15, 47

Mediaeval Cobblestone is #878573 in HEX — rgb(135, 133, 115), hsl(54°, 8%, 49%), cmyk(0%, 1%, 15%, 47%).

Mediaeval Cobblestone pulls into the mid-tone end of the greys spectrum — HSL 54°, 8%, 49%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on walls, soft furniture, hard surfaces — as the project's quiet backbone. Reads best alongside white trim, natural wood, brass, soft black accents.

Color Codes

HEX#878573

RGB135, 133, 115

HSL54°, 8%, 49%

HSV54°, 15%, 53%

CMYK0, 1, 15, 47

Decimal8881523

CSS RGBrgb(135, 133, 115)

CSS HSLhsl(54, 8%, 49%)

Paint Matches — this color across 16 brands

Sherwin-Williams

Connected Gray SW6165

ΔE 1.4 · #898473

PPG

Tortuga 1032-5

ΔE 1.5 · #84816F

Benjamin Moore

Gunsmith CW-65

ΔE 1.7 · #868475

Valspar

Folkstone 6001-2A

ΔE 1.7 · #8B8978

Dulux

Paris Creek S18B5

ΔE 1.9 · #878772

Farrow & Ball

Treron 292

ΔE 1.9 · #8B8A77

Behr

Dried Basil UL200-5

ΔE 2 · #898873

Kilz

Combat Boots LG110-01

ΔE 2.4 · #85846E

RAL

Stone Grey 7030

ΔE 2.8 · #8B8C7A

Vista Paint

French Clay K-914

ΔE 3.3 · #8B8C7D

Dutch Boy

Silver Gray D-6730

ΔE 3.6 · #857F69

Dunn-Edwards

Smoky Forest DE6244

ΔE 3.7 · #817D68

Hallman-Lindsay

Pettingill Sage historic-pettingill-sage

ΔE 3.8 · #88806A

IKEA

IKEA055 55

ΔE 5.3 · #7E8177

Colorhouse

Stone .07 Stone-07

ΔE 8.8 · #848A86

Kobra

Gold 45

ΔE 12.1 · #8E7A5A

Light Reflectance & Undertone

Light Reflectance Value (LRV)

23/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

Undertone

TemperatureWarm MasstoneYellow UndertoneGreen

A near-neutral with a subtle warm green undertone — it will pick up colour from surrounding surfaces and shift noticeably under different light.

Color Theory

Complementary

#878573

#737587

Analogous

#877B73

#878573

#7F8773

Triadic

#878573

#738785

#857387

Split-Complementary

#878573

#737F87

#7B7387

Tetradic

#878573

#73877B

#737587

#87737F

Monochromatic

#34342D

#5E5C50

#878573

#ABA99C

#CECDC5

Rectangle

#878573

#758773

#737587

#857387

Compound

#878573

#7F8773

#737587

#7B7387

Variations

Lighter

#9F9E8F

#B6B5AC

#D4D4CF

Darker

#6C6B5C

#4B4A3F

#2C2B24

Saturation

#807F7A

#878573

#C0B339

Interior Use

Best Rooms

living rooms, bedrooms, bathrooms

Best Uses

walls, soft furniture, hard surfaces

Pairs With

white trim, natural wood, brass, soft black accents

Accessibility (WCAG)

vs White

3.73:1

AA Large

vs Black

5.63:1

Deuteranopia

#878573

#888474

Original → Simulated

Protanopia

#878573

#858576

Original → Simulated

Tritanopia

#878573

#888284

Original → Simulated

Color Psychology

Quiet · Versatile

Mediaeval Cobblestone gets out of the way so the architecture and the people in the room do the work. The right neutral is never a default — it reads warm or cool, dusty or sharp depending on its undertone, and that undertone is what makes or breaks the room.

SymbolismBalance, sophistication, calm

PersonalityAdaptable, considered, timeless

versatileneutraltimelessbackdroptrimwall

How it looks under different light

#A59071

Warm Bulb 2700K

Incandescent / soft white LED — pulls colour toward yellow/amber.

#878573

Daylight 5500K

Midday natural light or daylight-spec LED — closest to the paint chip.

#929596

Cool Bulb 6500K

Cool white LED / overcast daylight — pulls colour toward blue.

Pairs With

#EBEBEA

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F7F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#505585

Accent

Complementary punch

Hue +180°, slightly muted for paint vs. screen — use on a door, frame, or single piece.

#574738

Floor

Walnut neutral

Warm mid-brown grounds the scheme regardless of hero hue.

Paint Info

Brand · Product Line

Benjamin Moore / Regal Select Interior

Recommended Finishes

Eggshell (walls) · Pearl (trim) · Matte (ceiling)

Eggshell hides imperfections on main walls while keeping the color rich; pearl on trim adds subtle sheen and easier cleaning; flat matte on ceilings prevents glare.

Best Surfaces

Primary walls · Cabinetry · Doors · Mouldings

Coverage & Dry Time

Typical coverage 350-400 sq ft per gallon over a primed surface.

Touch-dry in ~1 hour. Recoat after 4 hours. Full cure 7-14 days.

Primer

Standard primer is adequate.

Application Tip

Use a 9" microfiber roller on walls and a 2.5" angled sash brush for trim cuts. Two coats minimum for even depth.

Paint Calculator

Wall area (m²)

Coats

Coverage (m² / L)

You'll need

4.0 litres

1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.

Code Snippets

CSS — color

color: #878573;

CSS — background

background-color: #878573;

CSS Variable

--color-mediaeval-cobblestone: #878573;

Tailwind v3 — config

colors: { 'mediaeval-cobblestone': '#878573' }

Tailwind — arbitrary

bg-[#878573] text-[#878573]

SCSS

$mediaeval-cobblestone: #878573;

Similar Colors

Gunsmith Gray

#858374 · ΔE 1.8

Antique Pewter

#8B8A7B · ΔE 2.7

Vineland

#878872 · ΔE 2.7

Squirrel Tail

#8D887A · ΔE 3.0

Copley Gray

#918A78 · ΔE 3.1

Equestrian Gray

#908878 · ΔE 3.2

Tavern Gray

#918A75 · ΔE 3.5

Smoked Truffle

#8E897C · ΔE 3.7

Built by DSGN.HOUSE Updated 2026

Our color tools run on our own catalogue of 26,000+ real paint colors across 16 brands — Benjamin Moore, Sherwin-Williams, Behr, Dulux, RAL and more — with the color math (HSL and CIELAB matching) computed in-house, not scraped from summaries. Every color you pick maps to a real, buyable paint with its code, so what you see here you can actually take to the store. We review and update these tools and their data regularly.

Created by Denis Kataev, founder of DSGN.HOUSE — a software engineer and digital entrepreneur building professional color-design tools for everyone.

Frequently Asked Questions

What color is #878573?

#878573 is Mediaeval Cobblestone, a mid-tone grey with a cool undertone.

Is #878573 warm or cool?

Mediaeval Cobblestone reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Mediaeval Cobblestone?

Mediaeval Cobblestone works well in living rooms, bedrooms, bathrooms. Designers typically use it for walls, soft furniture, hard surfaces.

What colors pair well with Mediaeval Cobblestone?

Mediaeval Cobblestone pairs naturally with white trim, natural wood, brass, soft black accents. Its complementary color is also a strong contrast option for accents.

Where can I download Mediaeval Cobblestone?

You can download Mediaeval Cobblestone on DSGN.HOUSE in 15 designer formats including CSS gradient, Figma, Procreate swatches, Tailwind config, Adobe ASE, SVG, and 4K wallpapers — all free.

What's the hex code for Mediaeval Cobblestone?

The hex code is #878573. In RGB it's 135, 133, 115, and in HSL it's 54°, 8%, 49%.

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