NEUTRALS

Lights Out

#3D474B

RGB 61, 71, 75 · HSL 197°, 10%, 27% · CMYK 19, 5, 0, 71

Lights Out is #3D474B in HEX — rgb(61, 71, 75), hsl(197°, 10%, 27%), cmyk(19%, 5%, 0%, 71%).

Lights Out pulls into the deep end of the neutrals spectrum — HSL 197°, 10%, 27%. 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#3D474B

RGB61, 71, 75

HSL197°, 10%, 27%

HSV197°, 19%, 29%

CMYK19, 5, 0, 71

Decimal4015947

CSS RGBrgb(61, 71, 75)

CSS HSLhsl(197, 10%, 27%)

Paint Matches — this color across 16 brands

Sherwin-Williams

Mount Etna SW7625

ΔE 0.5 · #3D484C

Kilz

Night Magic RM230

ΔE 2 · #3C4348

Behr

Black Space BXC-30

ΔE 2 · #3E4B4E

PPG

Black Forest 1012-7

ΔE 2.1 · #434B4F

Colorhouse

Metal .06 Metal-06

ΔE 2.2 · #3F4647

Dulux

Charcoal Fusion SN4F9

ΔE 2.4 · #444A4F

RAL

Iron Grey 7011

ΔE 2.4 · #434B4D

Dunn-Edwards

Stargazing DE6336

ΔE 2.5 · #414549

Vista Paint

Calm Interlude C-500

ΔE 2.6 · #3D4C50

Hallman-Lindsay

Dark River 494

ΔE 2.7 · #3E4445

Valspar

Nocturnal Green 5011-1

ΔE 2.7 · #414647

Benjamin Moore

Stonecutter 2135-20

ΔE 2.8 · #444D50

Farrow & Ball

Railings 31

ΔE 3.1 · #45484B

IKEA

IKEA152 152

ΔE 4.4 · #494F50

Kobra

Black 44

ΔE 8.2 · #383737

Dutch Boy

Seal of Grey VS-9301

ΔE 9 · #575757

Light Reflectance & Undertone

Light Reflectance Value (LRV)

6/100

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

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

#3D474B

#4C423E

Analogous

#3E4C49

#3D474B

#3E414C

Triadic

#3D474B

#4C3E48

#484C3E

Split-Complementary

#3D474B

#4C3E41

#4C493E

Tetradic

#3D474B

#493E4C

#4C423E

#414C3E

Monochromatic

#0B0D0E

#1C2022

#3D474B

#607076

#86969C

Rectangle

#3D474B

#423E4C

#4C423E

#484C3E

Compound

#3D474B

#3E414C

#4C423E

#4C493E

Variations

Lighter

#5F6F75

#869399

#B9C0C2

Darker

#313A3D

#22282A

#131719

Saturation

#434647

#3E484C

#1F556B

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

9.54:1

AAA

vs Black

2.20:1

Fail

Deuteranopia

#3D474B

#42444C

Original → Simulated

Protanopia

#3D474B

#45454A

Original → Simulated

Tritanopia

#3D474B

#3D4747

Original → Simulated

Color Psychology

Quiet · Versatile

Lights Out 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

#6D6253

Warm Bulb 2700K

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

#3D474B

Daylight 5500K

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

#5A6778

Cool Bulb 6500K

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

Pairs With

#EAEBEB

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.

#49342C

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: #3D474B;

CSS — background

background-color: #3D474B;

CSS Variable

--color-lights-out: #3D474B;

Tailwind v3 — config

colors: { 'lights-out': '#3D474B' }

Tailwind — arbitrary

bg-[#3D474B] text-[#3D474B]

SCSS

$lights-out: #3D474B;

Similar Colors

Stonecutter

#434C4F · ΔE 2.3

Gravel Gray

#444A50 · ΔE 2.7

Black Horizon

#44484D · ΔE 2.8

Lead Gray

#434E52 · ΔE 3.0

Raccoon Fur

#464A4D · ΔE 3.1

Regent Green

#364042 · ΔE 3.4

Baby Seal Black

#464A50 · ΔE 3.4

Witching Hour

#46494F · ΔE 3.6

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 #3D474B?

#3D474B is Lights Out, a deep neutral with a cool undertone.

Is #3D474B warm or cool?

Lights Out reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Lights Out?

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

What colors pair well with Lights Out?

Lights Out 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 Lights Out?

You can download Lights Out 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 Lights Out?

The hex code is #3D474B. In RGB it's 61, 71, 75, and in HSL it's 197°, 10%, 27%.

← All colors