BLUES

Lava Stone

#3C4151

RGB 60, 65, 81 · HSL 226°, 15%, 28% · CMYK 26, 20, 0, 68

Lava Stone is #3C4151 in HEX — rgb(60, 65, 81), hsl(226°, 15%, 28%), cmyk(26%, 20%, 0%, 68%).

Lava Stone pulls into the deep end of the blues spectrum — HSL 226°, 15%, 28%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, home offices — for calm, focused environments. Reads best alongside warm white trim, oak or walnut, brass or matte black hardware.

Color Codes

HEX#3C4151

RGB60, 65, 81

HSL226°, 15%, 28%

HSV226°, 26%, 32%

CMYK26, 20, 0, 68

Decimal3948881

CSS RGBrgb(60, 65, 81)

CSS HSLhsl(226, 15%, 28%)

Paint Matches — this color across 16 brands

Dulux

Marshal Blue S41C8

ΔE 1.4 · #3E4455

Behr

Indigo Ink HDC-CL-26A

ΔE 1.4 · #3B4354

Benjamin Moore

Blackberry CC-962

ΔE 1.5 · #404251

Vista Paint

Pantry Plum K-88

ΔE 2.3 · #3D3F4C

Valspar

Blue Coal 4011-3

ΔE 3 · #414450

Sherwin-Williams

Charcoal Blue SW2739

ΔE 3 · #3D4450

Dunn-Edwards

Old Mill DEA185

ΔE 3.5 · #343B4E

Hallman-Lindsay

Jazlyn 1285

ΔE 4.2 · #464152

PPG

Black Flame 1043-7

ΔE 4.6 · #484B5A

RAL

Slate Grey 7015

ΔE 5.2 · #434750

Kilz

Blue Galaxy RB100-02

ΔE 5.5 · #41445C

Kobra

Blue 31

ΔE 6.3 · #334059

IKEA

IKEA163 163

ΔE 6.5 · #423A45

Farrow & Ball

Paean Black 294

ΔE 8.2 · #494248

Colorhouse

Metal .06 Metal-06

ΔE 10 · #3F4647

Dutch Boy

Seal of Grey VS-9301

ΔE 14 · #575757

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

TemperatureCool MasstoneBlue UndertoneViolet

Reads as a cool blue with a violet undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#3C4151

#524D3D

Analogous

#3D4C52

#3C4151

#423D52

Triadic

#3C4151

#523D42

#42523D

Split-Complementary

#3C4151

#52423D

#4C523D

Tetradic

#3C4151

#523D4C

#524D3D

#3D5242

Monochromatic

#0B0C0F

#1C1E26

#3C4151

#5D657E

#848BA4

Rectangle

#3C4151

#4D3D52

#524D3D

#42523D

Compound

#3C4151

#423D52

#524D3D

#4C523D

Variations

Lighter

#5C637C

#83899F

#B8BBC5

Darker

#303442

#21242E

#13151B

Saturation

#44464B

#3D4252

#1E3270

Interior Use

Best Rooms

bedrooms, bathrooms, home offices

Best Uses

main walls, ceilings, trim, cabinetry

Pairs With

warm white trim, oak or walnut, brass or matte black hardware

Accessibility (WCAG)

vs White

10.16:1

AAA

vs Black

2.07:1

Fail

Deuteranopia

#3C4151

Original → Simulated

Protanopia

#3C4151

#40404F

Original → Simulated

Tritanopia

#3C4151

#3B4442

Original → Simulated

Color Psychology

Focused · Cooling

Lava Stone lowers the temperature of a room — useful in south-facing rooms that overheat visually, and in home offices where you want a clear head. Pair with warm wood and brass to keep it from reading clinical.

SymbolismTrust, depth, stability

PersonalityClear-headed, dependable, contemplative

focustrustcalmofficebedroomdepth

How it looks under different light

#6C5D58

Warm Bulb 2700K

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

#3C4151

Daylight 5500K

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

#5A627C

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.

#4C452E

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: #3C4151;

CSS — background

background-color: #3C4151;

CSS Variable

--color-lava-stone: #3C4151;

Tailwind v3 — config

colors: { 'lava-stone': '#3C4151' }

Tailwind — arbitrary

bg-[#3C4151] text-[#3C4151]

SCSS

$lava-stone: #3C4151;

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#2F394B · ΔE 4.5

Deep Mulberry

#3C3845 · ΔE 5.2

Approaching Storm

#4B4A5C · ΔE 5.2

North Sea

#2B3B4C · ΔE 5.3

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#434B56 · ΔE 5.4

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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 #3C4151?

#3C4151 is Lava Stone, a deep blue with a cool undertone.

Is #3C4151 warm or cool?

Lava Stone reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Lava Stone?

Lava Stone works well in bedrooms, bathrooms, home offices. Designers typically use it for main walls, ceilings, trim, cabinetry.

What colors pair well with Lava Stone?

Lava Stone pairs naturally with warm white trim, oak or walnut, brass or matte black hardware. Its complementary color is also a strong contrast option for accents.

Where can I download Lava Stone?

You can download Lava Stone 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 Lava Stone?

The hex code is #3C4151. In RGB it's 60, 65, 81, and in HSL it's 226°, 15%, 28%.

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