NEUTRALS

November Storms

#423F3B

RGB 66, 63, 59 · HSL 34°, 6%, 25% · CMYK 0, 5, 11, 74

November Storms is #423F3B in HEX — rgb(66, 63, 59), hsl(34°, 6%, 25%), cmyk(0%, 5%, 11%, 74%).

November Storms pulls into the deep end of the neutrals spectrum — HSL 34°, 6%, 25%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on main walls, trims, ceilings — versatile across nearly any style. Reads best alongside soft whites, natural wood, matte black trim, linen.

Color Codes

HEX#423F3B

RGB66, 63, 59

HSL34°, 6%, 25%

HSV34°, 11%, 26%

CMYK0, 5, 11, 74

Decimal4341563

CSS RGBrgb(66, 63, 59)

CSS HSLhsl(34, 6%, 25%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

November Storms 543

Exact match

Dulux

Namadji ® SN4G8

ΔE 0.5 · #433F3B

Vista Paint

Subway C-535

ΔE 1.2 · #41403D

Behr

Off Broadway MQ1-35

ΔE 2 · #433F3E

Sherwin-Williams

Iron Ore SW7069

ΔE 2.4 · #434341

Kilz

Dark Sky RM250

ΔE 2.6 · #464541

PPG

Black Magic 1001-7

ΔE 2.8 · #414040

Benjamin Moore

Black 2130-10

ΔE 2.9 · #463D3A

RAL

Black Olive 6015

ΔE 2.9 · #3B3C36

Farrow & Ball

Pitch Black 256

ΔE 3.3 · #3B3938

Dunn-Edwards

Black DEA187

ΔE 3.6 · #3B3A3A

Valspar

Fired Earth 6011-1

ΔE 4 · #4B4845

Kobra

Black 44

ΔE 4.6 · #383737

Colorhouse

Metal .06 Metal-06

ΔE 5.9 · #3F4647

IKEA

IKEA197 197

ΔE 7.3 · #473633

Dutch Boy

Dark Chocolate D-6782

ΔE 10.3 · #392A27

Light Reflectance & Undertone

Light Reflectance Value (LRV)

5/100

Very Dark

0 · DarkLight · 100

Absorbs almost all light — dramatic and cocooning. Needs strong artificial lighting and works best as an accent or in well-lit rooms.

Undertone

TemperatureNeutral MasstoneOrange UndertoneYellow

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

Color Theory

Complementary

#423F3B

#3C3F44

Analogous

#443C3C

#423F3B

#43443C

Triadic

#423F3B

#3C4440

#403C44

Split-Complementary

#423F3B

#3C4344

#3C3C44

Tetradic

#423F3B

#3C443C

#3C3F44

#443C43

Monochromatic

#0E0D0C

#1B1A18

#423F3B

#6C6760

#938D85

Rectangle

#423F3B

#3F443C

#3C3F44

#403C44

Compound

#423F3B

#43443C

#3C3F44

#3C3C44

Variations

Lighter

#6C6760

#928D86

#BFBCB9

Darker

#363330

#252321

#161513

Saturation

#41403F

#44403C

#62441E

Interior Use

Best Rooms

living rooms, bedrooms, kitchens

Best Uses

main walls, trim, accents

Pairs With

soft whites, natural wood, brass, matte black trim

Accessibility (WCAG)

vs White

10.47:1

AAA

vs Black

2.01:1

Fail

Deuteranopia

#423F3B

#41403B

Original → Simulated

Protanopia

#423F3B

#40403C

Original → Simulated

Tritanopia

#423F3B

#423E3F

Original → Simulated

Color Psychology

Quiet · Versatile

November Storms 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

#715C47

Warm Bulb 2700K

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

#423F3B

Daylight 5500K

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

#5E616C

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.

#293444

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: #423F3B;

CSS — background

background-color: #423F3B;

CSS Variable

--color-november-storms: #423F3B;

Tailwind v3 — config

colors: { 'november-storms': '#423F3B' }

Tailwind — arbitrary

bg-[#423F3B] text-[#423F3B]

SCSS

$november-storms: #423F3B;

Similar Colors

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#453C39 · ΔE 3.0

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#4A4442 · ΔE 3.2

Night Horizon

#4B433D · ΔE 3.5

Deep Caviar

#494242 · ΔE 3.6

Black Jack

#3D3D3E · ΔE 3.7

Tucker Chocolate

#4A403E · ΔE 3.7

Night Shade

#443A36 · ΔE 3.7

Black Panther

#3D3F40 · ΔE 4.0

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 #423F3B?

#423F3B is November Storms, a deep neutral with a cool undertone.

Is #423F3B warm or cool?

November Storms reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with November Storms?

November Storms works well in living rooms, bedrooms, kitchens. Designers typically use it for main walls, trim, accents.

What colors pair well with November Storms?

November Storms pairs naturally with soft whites, natural wood, brass, matte black trim. Its complementary color is also a strong contrast option for accents.

Where can I download November Storms?

You can download November Storms 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 November Storms?

The hex code is #423F3B. In RGB it's 66, 63, 59, and in HSL it's 34°, 6%, 25%.

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