BROWNS

Black Heath

#645744

RGB 100, 87, 68 · HSL 36°, 19%, 33% · CMYK 0, 13, 32, 61

Black Heath is #645744 in HEX — rgb(100, 87, 68), hsl(36°, 19%, 33%), cmyk(0%, 13%, 32%, 61%).

Black Heath pulls into the rich end of the browns spectrum — HSL 36°, 19%, 33%. The neutral saturation makes it near-neutral and forgiving, and the hue reads warm. In interior projects it shines on trim, cabinetry, leather goods, wood accents — for warmth and weight. Reads best alongside cream walls, off-white linen, brass, soft black.

Color Codes

HEX#645744

RGB100, 87, 68

HSL36°, 19%, 33%

HSV36°, 32%, 39%

CMYK0, 13, 32, 61

Decimal6575940

CSS RGBrgb(100, 87, 68)

CSS HSLhsl(36, 19%, 33%)

Paint Matches — this color across 16 brands

Vista Paint

Black Heath C-234

Exact match

Dulux

Organic Balance S15C8

ΔE 0.7 · #635644

PPG

Coffee Bean 1025-7

ΔE 1.6 · #615544

Behr

Clove Brown PPU7-25

ΔE 1.6 · #685A48

Hallman-Lindsay

Black Heath 235

ΔE 1.8 · #675A49

Colorhouse

Clay .06 Clay-06

ΔE 2.6 · #675544

Sherwin-Williams

Best Bronze SW6160

ΔE 2.6 · #5D513E

Benjamin Moore

North 1001

ΔE 2.8 · #665A4B

RAL

Pearl Beige 1035

ΔE 3.2 · #6A5D4D

Valspar

Amazon Silt 6010-4

ΔE 3.9 · #605B47

Dunn-Edwards

Wild Mustang DEA161

ΔE 4.4 · #695649

Kilz

Tea Leaf LF100-02

ΔE 5.9 · #66624B

Farrow & Ball

Salon Drab 290

ΔE 5.9 · #726454

IKEA

IKEA148 148

ΔE 6.5 · #676450

Kobra

Brown 43

ΔE 7.7 · #624A3E

Dutch Boy

Mud Pie VS-9501

ΔE 8 · #5B4631

Light Reflectance & Undertone

Light Reflectance Value (LRV)

10/100

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

TemperatureWarm MasstoneOrange UndertoneYellow

Reads as a warm orange with a yellow undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#645744

#445164

Analogous

#644744

#645744

#616444

Triadic

#645744

#446457

#574464

Split-Complementary

#645744

#446164

#474464

Tetradic

#645744

#446447

#445164

#644461

Monochromatic

#0F0D0A

#373025

#645744

#927F63

#B3A48F

Rectangle

#645744

#516444

#445164

#574464

Compound

#645744

#616444

#445164

#474464

Variations

Lighter

#8D7B60

#A99C88

#CBC5BB

Darker

#514636

#383025

#211C15

Saturation

#59554F

#645744

#865E22

Interior Use

Best Rooms

living rooms, libraries, dens

Best Uses

trim, cabinetry, leather goods, wood accents

Pairs With

cream walls, off-white linen, brass, soft black

Accessibility (WCAG)

vs White

7.03:1

AAA

vs Black

2.99:1

Fail

Deuteranopia

#645744

#5F5A44

Original → Simulated

Protanopia

#645744

#595947

Original → Simulated

Tritanopia

#645744

#655557

Original → Simulated

Color Psychology

Grounded · Earthy

Black Heath grounds a scheme — it gives the eye a place to rest and frames brighter colors around it. Use it on trim, cabinetry, leather goods, and structural wood elements; for walls it works in libraries and dens that want gravity.

SymbolismStability, comfort, tradition

PersonalityReliable, warm, considered

earthywarmlibrarytrimcabinetrygrounded

How it looks under different light

#8A6E4E

Warm Bulb 2700K

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

#645744

Daylight 5500K

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

#787372

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.

#364459

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: #645744;

CSS — background

background-color: #645744;

CSS Variable

--color-black-heath: #645744;

Tailwind v3 — config

colors: { 'black-heath': '#645744' }

Tailwind — arbitrary

bg-[#645744] text-[#645744]

SCSS

$black-heath: #645744;

Similar Colors

Marshlands

#65594A · ΔE 2.7

Hope Chest

#6C5D4A · ΔE 2.8

Dixon Brown

#695A4C · ΔE 3.5

Mustang

#68574A · ΔE 4.0

Night Owl

#59523C · ΔE 4.3

Char Brown

#5A4F40 · ΔE 4.3

Durango

#645D4E · ΔE 4.4

Middlebury Brown

#69594D · ΔE 4.5

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 #645744?

#645744 is Black Heath, a deep brown with a warm undertone.

Is #645744 warm or cool?

Black Heath reads warm, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Black Heath?

Black Heath works well in living rooms, libraries, dens. Designers typically use it for trim, cabinetry, leather goods, wood accents.

What colors pair well with Black Heath?

Black Heath pairs naturally with cream walls, off-white linen, brass, soft black. Its complementary color is also a strong contrast option for accents.

Where can I download Black Heath?

You can download Black Heath 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 Black Heath?

The hex code is #645744. In RGB it's 100, 87, 68, and in HSL it's 36°, 19%, 33%.

← All colors