GREYS

Ashen Whisper

#646B7A

RGB 100, 107, 122 · HSL 221°, 10%, 44% · CMYK 18, 12, 0, 52

Ashen Whisper is #646B7A in HEX — rgb(100, 107, 122), hsl(221°, 10%, 44%), cmyk(18%, 12%, 0%, 52%).

Ashen Whisper pulls into the rich end of the greys spectrum — HSL 221°, 10%, 44%. 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#646B7A

RGB100, 107, 122

HSL221°, 10%, 44%

HSV221°, 18%, 48%

CMYK18, 12, 0, 52

Decimal6581114

CSS RGBrgb(100, 107, 122)

CSS HSLhsl(221, 10%, 44%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Overlook 1319

ΔE 1.2 · #686D7C

Vista Paint

Overlook C-1318

ΔE 1.4 · #686C7A

Dulux

Shutter Blue S40B5

ΔE 1.7 · #666F7F

Behr

Nostalgic UL240-2

ΔE 2.4 · #646B7E

PPG

Alley Cat 1043-6

ΔE 2.5 · #656874

Valspar

Dark Night 4003-4C

ΔE 2.7 · #5E6576

Sherwin-Williams

Granite Peak SW6250

ΔE 3.5 · #606B75

IKEA

IKEA156 156

ΔE 3.5 · #676973

Benjamin Moore

Blue 1435 · CC-900

ΔE 3.7 · #5D6375

Dunn-Edwards

Pencil Lead DE5922

ΔE 4 · #5C6274

Kilz

Murky Depths RM140

ΔE 6.3 · #5F676C

RAL

Pearl Black Berry 4012

ΔE 7.5 · #6C6881

Farrow & Ball

Stiffkey Blue 281

ΔE 7.6 · #4D5B6A

Dutch Boy

Ocean Blue D-6743

ΔE 9.2 · #4C6A74

Colorhouse

Wool .06 Wool-06

ΔE 10 · #485761

Kobra

Grey 42

ΔE 14.8 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

15/100

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

TemperatureCool MasstoneBlue UndertoneViolet

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

Color Theory

Complementary

#646B7A

#7B7465

Analogous

#65777B

#646B7A

#69657B

Triadic

#646B7A

#7B656C

#6C7B65

Split-Complementary

#646B7A

#7B6965

#777B65

Tetradic

#646B7A

#7B6577

#7B7465

#657B69

Monochromatic

#202227

#434751

#646B7A

#8C93A1

#B6BAC3

Rectangle

#646B7A

#74657B

#7B7465

#6C7B65

Compound

#646B7A

#69657B

#7B7465

#777B65

Variations

Lighter

#818998

#A2A7B1

#CACCD1

Darker

#505663

#373B44

#202228

Saturation

#6D6F74

#656C7B

#325AAE

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

5.35:1

vs Black

3.93:1

AA Large

Deuteranopia

#646B7A

#656A7B

Original → Simulated

Protanopia

#646B7A

#6A6A78

Original → Simulated

Tritanopia

#646B7A

#636D6C

Original → Simulated

Color Psychology

Quiet · Versatile

Ashen Whisper 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

#8A7D77

Warm Bulb 2700K

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

#646B7A

Daylight 5500K

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

#78829B

Cool Bulb 6500K

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

Pairs With

#EAEAEB

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.

#776848

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: #646B7A;

CSS — background

background-color: #646B7A;

CSS Variable

--color-ashen-whisper: #646B7A;

Tailwind v3 — config

colors: { 'ashen-whisper': '#646B7A' }

Tailwind — arbitrary

bg-[#646B7A] text-[#646B7A]

SCSS

$ashen-whisper: #646B7A;

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#6E7182 · ΔE 3.4

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#5C6274 · ΔE 4.0

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#67737C · ΔE 5.0

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#5F666C · ΔE 5.8

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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 #646B7A?

#646B7A is Ashen Whisper, a mid-tone grey with a cool undertone.

Is #646B7A warm or cool?

Ashen Whisper reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Ashen Whisper?

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

What colors pair well with Ashen Whisper?

Ashen Whisper 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 Ashen Whisper?

You can download Ashen Whisper 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 Ashen Whisper?

The hex code is #646B7A. In RGB it's 100, 107, 122, and in HSL it's 221°, 10%, 44%.

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