CP
COLOR GUIDE

Dunn-Edwards Asphalt

DET631 · #3D3F3F · LRV 5 — neutral with no strong undertone, very dark — reads black in most rooms. Cool deep charcoal; DE's bestselling exterior dark-gray.

DUNN-EDWARDS ASPHALT
RGB 61, 63, 63LRV 5

Color spec

BrandDunn-Edwards
NameAsphalt
SKUDET631
Hex#3D3F3F
RGB61, 63, 63
HSL180°, 2%, 24%
LRV5
Undertoneneutral with no strong undertone
FamilyBlack
See Dunn-Edwards Asphalt on your own walls — upload a room photo.SEE IT IN YOUR ROOM →

What Color Is Asphalt, Really?

Dunn-Edwards Asphalt (DET631) is a deep charcoal that reads as a soft, near-black in almost any room. Its light reflectance value is 5, meaning it bounces back only about five percent of the light that hits it, so on a wall it holds its darkness rather than fading to gray. The color is built with barely any saturation, just a faint cool lean, so it stays clean and shadowy instead of turning brown or blue.

Asphalt is popular as Dunn-Edwards' bestselling exterior dark-gray. It gives you the drama of black with a slightly softer, more livable edge, which is why people reach for it on siding, doors, and modern accents.

It suits homeowners who want a bold, architectural look without going to pure jet black, and it works especially well on contemporary, farmhouse, and craftsman exteriors that need a strong, grounding dark.

Asphalt is measured as neutral with no strong undertone, and the numbers back that up. Its saturation sits at just 2 percent, which is well under the 10 percent line where a color starts to show an obvious bias. That makes it a near-neutral dark charcoal with only the faintest cool lean rather than a color that pushes clearly blue, green, or brown.

What little direction it has tilts cool, toward the gray-teal side, so next to a warm brown-black it can look slightly cleaner and more slate-like. In shade or dim light that cool edge is invisible and it simply reads black.

Before you commit, test Asphalt against a true black and against a warm charcoal on the same board. Seeing it beside both is the fastest way to confirm it stays neutral in your specific light instead of picking up a tint you did not expect.

AT A GLANCE
Dunn-Edwards Asphalt
DET631 · #3D3F3F · LRV 5
Undertone: neutral with no strong undertone
See it on your room

Best Rooms and Uses for Asphalt

At an LRV of 5, Asphalt is a statement and contrast color, not a whole-home light. It shines outdoors, which is its home turf as a bestselling exterior dark-gray. Use it on siding, board-and-batten, shutters, garage doors, and window trim for a modern or farmhouse look that stays bold without going flat black.

A front door in Asphalt reads sharp and architectural against lighter siding, and it makes an easy exterior accent when you want weight at the entry.

Indoors, treat it as an accent rather than every wall in a small space. It is excellent on a single feature wall, on a fireplace surround, on built-ins, and on cabinetry, where its depth makes hardware and wood tones pop. In a large, well-lit room you can wrap all four walls for a moody library or study. As exterior or interior trim it frames lighter fields with a heavy, confident line.

How Lighting Changes Asphalt

With an LRV of 5, Asphalt is a light-absorber. It will never brighten a room, so the real question is how much depth and shadow you want. In north-facing rooms, which get steady cool light, it looks its darkest and most solid, reading essentially black on the wall. South-facing rooms get the most direct sun, and there Asphalt shows the most life, with its surface catching highlights and revealing its faint cool character.

East light in the morning and west light in the late afternoon will briefly warm the color and soften it, then let it sink back to near-black as the sun moves off.

Bulb choice matters too. Warm 2700K bulbs take the edge off and make it feel a touch softer and cozier, while cool 4000K or higher bulbs keep it crisp and slate-like. On an exterior, expect it to look richest in full daylight and almost solid black at dusk.

YOUR LIGHT IS THE RISKsame paint — south sun vs north grey

Most complaints about Asphalt are a light mismatch. Upload a photo of your actual room and see it on your walls — then ask for the same wall in north light or evening lamps before you buy a single sample.

TEST IT IN YOUR LIGHT →

Asphalt vs Similar Colors

Asphalt lives in a tight cluster of Dunn-Edwards near-blacks, so the differences are small but visible on a large surface. Dark Engine (DE6350) also has an LRV of 5 and is almost the same depth, but it carries a slightly cooler, more slate-leaning cast, making it the pick when you want the dark to read a hair crisper.

Carbonized Wood (DESS50), LRV 5, is a flatter, more truly neutral charcoal with less of any lean, so it is the safer choice if you want a dark that stays completely quiet next to varied undertones.

Refined Green (DEA181) at LRV 5 looks black in most rooms but shows a distinct green-slate character in strong daylight, which makes it better when you want a subtle color story rather than a pure neutral. If you need to go even darker and heavier, Black (DEA002) at LRV 4 is close to true black, useful when Asphalt looks a touch soft for the contrast you want.

Colors That Go With Asphalt

Because Asphalt is so dark, most of the work is done by lighter partners that give it contrast. For trim and adjacent light fields, Whisper (DEW340), an off-white at LRV 84, keeps edges crisp; Swiss Coffee (DEW342), also LRV 84, is a slightly warmer white if you want the pairing to feel softer.

For a mid-tone second wall color or a stepped exterior body, Battleship Gray (DET636) at LRV 22 and Iron Mountain (DET637) at LRV 11 bridge the gap between Asphalt and your whites so the jump from dark to light is not so abrupt. Stonish Beige (DET625) at LRV 33 adds a warm neutral that keeps the scheme from feeling cold.

For accents, a saturated color reads well against all that depth: Maiden Voyage (DEA178), a deep blue at LRV 8, makes a handsome front door, and Cabaret (DEA152), a true red at LRV 7, gives a bolder entry pop. Natural wood tones and both black and brushed-nickel metals also sit comfortably with it.

Need It From Another Brand?

Any paint counter can custom-tint Dunn-Edwards DET631 directly — but if you would rather stay in one brand's own deck, these are the closest stock matches:

SW 9600 · Sherwin-Williams · ΔE 3.72 · LRV 5
ECC-25-3 · Behr · ΔE 0.77 · LRV 5
2125-10 · Benjamin Moore · ΔE 0.69 · LRV 5
8006-4G · Valspar · ΔE 1.4 · LRV 5
PPG1001-7 · PPG / Glidden · ΔE 1.34 · LRV 5
PPG0995-7 · Glidden · ΔE 0.85 · LRV 5

Similar Dunn-Edwards colors

closest in the Dunn-Edwards deck

The nearest shades to Asphalt within Dunn-Edwards's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.

DE6350 · LRV 5
DESS50 · LRV 5
DEBN13 · LRV 5
DEA002 · LRV 4
DEA181 · LRV 5
DESS30 · LRV 6

Coordinated palette

Generated by hue-rotating #3D3F3F in HSL space. Pair Asphalt with one accent and one neutral — the swatches below are starting points, not final picks.

COMPLEMENTARY
#3D3F3F + #3F3D3D
TRIADIC
#3D3F3F · #3F3D3F · #3F3F3D
ANALOGOUS
#3D3F3E · #3D3F3F · #3D3E3F

Accessibility (WCAG contrast)

Sample text on white
10.6:1AAA
Sample text on black
1.98:1fail

WCAG 2.1: AA = 4.5:1 normal text · AA Large = 3:1 large text · AAA = 7:1 normal text.

The Questions Everyone Asks

Is Asphalt warm or cool?

Asphalt is a cool-leaning neutral, but only barely. Its saturation is just 2 percent, so it is essentially a neutral dark charcoal with the faintest cool, slate-like edge. In most light it simply reads as a soft black. Next to a warm brown-black it looks cleaner and cooler, but on its own it does not push obviously blue or green.

What trim white goes with Asphalt?

Whisper (DEW340) is a clean off-white at LRV 84 that gives Asphalt sharp, high-contrast edges, making it a strong trim choice. If you want the pairing to feel a little softer and warmer, Swiss Coffee (DEW342), also at LRV 84, is a good alternative. Both are light enough to read clearly against Asphalt's depth on trim, casings, or an adjacent wall.

Does Asphalt work on cabinets and exteriors?

Yes to both. Asphalt is Dunn-Edwards' bestselling exterior dark-gray, so siding, shutters, garage doors, and front doors are its natural home. On cabinets its depth makes wood counters and metal hardware stand out, giving a modern, grounded look. Because it is so dark, pair it with lighter walls or trim so the cabinetry reads as a deliberate feature.

What does an LRV of 5 mean for Asphalt in practice?

LRV measures how much light a color reflects, from 0 for black to 100 for pure white. At 5, Asphalt reflects only about five percent, so it absorbs light instead of bouncing it around. In practice it will make a space feel darker and moodier, so use it where you want drama and contrast, and lean on lighter trim and good lighting to balance it.

How is Asphalt different from Farrow & Ball Pitch Black?

They are very close in depth, both sitting at an LRV of 5 and reading as soft near-blacks. Asphalt is measured as an essentially neutral cool charcoal, while Pitch Black (No. 256) is a famous, slightly warmer-leaning black. On a wall the difference is subtle, but if you want a cleaner, cooler dark rather than a warmer one, Asphalt is the pick.

Should I sample Asphalt before painting?

Yes. Very dark colors like Asphalt shift the most between north and south light and between warm and cool bulbs, so a small chip will not tell the whole story. Paint a large sample board, then view it on the actual wall or siding at different times of day and after dark. This confirms whether it reads as the soft near-black you want in your specific light.

Will It Work in YOUR Room?

No page can promise how Asphalt behaves in your light. Upload a photo and see it on your own walls in seconds — before you spend a cent on samples.

TRY ASPHALT ON YOUR ROOM →
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Jessica Williams

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