NEUTRALS

Ironclad

#615C55

RGB 97, 92, 85 · HSL 35°, 7%, 36% · CMYK 0, 5, 12, 62

Ironclad is #615C55 in HEX — rgb(97, 92, 85), hsl(35°, 7%, 36%), cmyk(0%, 5%, 12%, 62%).

Ironclad pulls into the rich end of the neutrals spectrum — HSL 35°, 7%, 36%. 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#615C55

RGB97, 92, 85

HSL35°, 7%, 36%

HSV35°, 12%, 38%

CMYK0, 5, 12, 62

Decimal6380629

CSS RGBrgb(97, 92, 85)

CSS HSLhsl(35, 7%, 36%)

Paint Matches — this color across 16 brands

Behr

Mountain Ridge 780B-6

ΔE 0.9 · #605D56

Valspar

English Tea Party 6004-2C

ΔE 1.4 · #5D5952

Dulux

Boycott S15A7

ΔE 1.5 · #635B53

PPG

Stone's Throw 1008-7

ΔE 1.9 · #605C58

Sherwin-Williams

Manor House SW7505

ΔE 2 · #665D57

Kilz

Dark Umber RM190

ΔE 2 · #605F58

Vista Paint

Dark Shadows K-817

ΔE 2.8 · #5F5D5A

Hallman-Lindsay

Gropius Gray historic-gropius-gray

ΔE 3 · #63615D

IKEA

IKEA178 178

ΔE 3.3 · #69645D

Benjamin Moore

Randolph CW-85

ΔE 3.4 · #59594F

Dunn-Edwards

Charcoal Smudge DE6370

ΔE 4 · #60605E

Dutch Boy

Ashton Grey VS-9303

ΔE 5.1 · #66665A

RAL

Quartz Grey 7039

ΔE 5.3 · #6C6960

Colorhouse

Metal .05 Metal-05

ΔE 5.5 · #535654

Farrow & Ball

Down Pipe 26

ΔE 6 · #626664

Kobra

Green 37

ΔE 7.9 · #515545

Light Reflectance & Undertone

Light Reflectance Value (LRV)

11/100

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

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

#615C55

#555B62

Analogous

#625655

#615C55

#616255

Triadic

#615C55

#55625D

#5D5562

Split-Complementary

#615C55

#556162

#565562

Tetradic

#615C55

#556256

#555B62

#625561

Monochromatic

#100F0E

#393632

#615C55

#8B8479

#AEA9A2

Rectangle

#615C55

#5B6255

#555B62

#5D5562

Compound

#615C55

#616255

#555B62

#565562

Variations

Lighter

#857E74

#A39E97

#C9C6C3

Darker

#4F4A44

#36332F

#201E1B

Saturation

#5E5C5A

#625D55

#8D642B

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

6.62:1

vs Black

3.17:1

AA Large

Deuteranopia

#615C55

#5F5D55

Original → Simulated

Protanopia

#615C55

#5D5D56

Original → Simulated

Tritanopia

#615C55

#615B5C

Original → Simulated

Color Psychology

Quiet · Versatile

Ironclad 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

#88725B

Warm Bulb 2700K

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

#615C55

Daylight 5500K

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

#75777F

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.

#3B4B62

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: #615C55;

CSS — background

background-color: #615C55;

CSS Variable

--color-ironclad: #615C55;

Tailwind v3 — config

colors: { 'ironclad': '#615C55' }

Tailwind — arbitrary

bg-[#615C55] text-[#615C55]

SCSS

$ironclad: #615C55;

Similar Colors

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#675D53 · ΔE 3.0

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#6A635D · ΔE 3.3

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#58584E · ΔE 3.6

Ashwood Moss

#565851 · ΔE 3.8

Stone Brown

#5F544E · ΔE 3.9

Aegean Olive

#5D594C · ΔE 4.0

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#6B655B · ΔE 4.1

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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 #615C55?

#615C55 is Ironclad, a deep neutral with a cool undertone.

Is #615C55 warm or cool?

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

What rooms work best with Ironclad?

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

What colors pair well with Ironclad?

Ironclad 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 Ironclad?

You can download Ironclad 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 Ironclad?

The hex code is #615C55. In RGB it's 97, 92, 85, and in HSL it's 35°, 7%, 36%.

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