REDS

Red Mahogany

#663B43

RGB 102, 59, 67 · HSL 349°, 27%, 32% · CMYK 0, 42, 34, 60

Red Mahogany is #663B43 in HEX — rgb(102, 59, 67), hsl(349°, 27%, 32%), cmyk(0%, 42%, 34%, 60%).

Red Mahogany pulls into the rich end of the reds spectrum — HSL 349°, 27%, 32%. The muted saturation makes it quiet but present, and the hue reads warm. In interior projects it shines on feature walls, dining rooms, hallways — anywhere you want energy. Reads best alongside cream walls, oak furniture, brass, soft black trim.

Color Codes

HEX#663B43

RGB102, 59, 67

HSL349°, 27%, 32%

HSV349°, 42%, 40%

CMYK0, 42, 34, 60

Decimal6699843

CSS RGBrgb(102, 59, 67)

CSS HSLhsl(349, 27%, 32%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Kung Fu 109

ΔE 1 · #643B42

Dulux

Velvet Cape S48C9

ΔE 1.6 · #623942

Vista Paint

Kung Fu C-108

ΔE 2.2 · #60373E

Valspar

Royal Garnet 1011-5

ΔE 2.6 · #653A3E

Farrow & Ball

Preference Red 297

ΔE 3.4 · #6D4247

Behr

Leather Bound 170F-7

ΔE 3.4 · #66353F

PPG

Red Red Wine 1049-7

ΔE 3.8 · #71424A

Sherwin-Williams

Burgundy SW6300

ΔE 3.8 · #63333E

Kilz

Boysenberry Pie LA100-02

ΔE 4.1 · #60393B

Benjamin Moore

Radicchio CC-32

ΔE 4.5 · #6A3642

Dunn-Edwards

Wine Stain DEA145

ΔE 5.1 · #69444F

RAL

Chestnut Brown 8015

ΔE 8.7 · #633A34

Kobra

Red 17

ΔE 9 · #583F40

IKEA

IKEA089 89

ΔE 10.5 · #6A443B

Dutch Boy

Western Brown VS-9660

ΔE 13.3 · #53372C

Colorhouse

Wood .04 Wood-04

ΔE 14 · #67272A

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

TemperatureWarm MasstoneRed UndertonePink

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

Color Theory

Complementary

#663B43

#3C6860

Analogous

#683C5A

#663B43

#684A3C

Triadic

#663B43

#44683C

#3C4468

Split-Complementary

#663B43

#3C684A

#3C5A68

Tetradic

#663B43

#5A683C

#3C6860

#4A3C68

Monochromatic

#10090B

#372024

#663B43

#985763

#B8848E

Rectangle

#663B43

#68603C

#3C6860

#3C4468

Compound

#663B43

#684A3C

#3C6860

#3C5A68

Variations

Lighter

#945560

#AF7F88

#CEB7BB

Darker

#542F36

#3A2024

#221215

Saturation

#584B4D

#683C44

#851E31

Interior Use

Best Rooms

dining rooms, hallways, feature walls

Best Uses

accent walls, doors, statement furniture

Pairs With

cream walls, oak furniture, brass, soft black trim

Accessibility (WCAG)

vs White

9.24:1

AAA

vs Black

2.27:1

Fail

Deuteranopia

#663B43

#504D42

Original → Simulated

Protanopia

#663B43

#454542

Original → Simulated

Tritanopia

#663B43

#653E3F

Original → Simulated

Color Psychology

Bold · Energetic

Red Mahogany carries the unmistakable charge of red — it raises pulse and appetite, draws the eye first in any room, and refuses to recede. Use it where you want presence: dining rooms that should feel social, hallways that need a focal point, front doors that announce arrival.

SymbolismPassion, urgency, vitality

PersonalityConfident, expressive, daring

energyappetitefocalsocialwarmthstatement

How it looks under different light

#8C594D

Warm Bulb 2700K

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

#663B43

Daylight 5500K

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

#795E72

Cool Bulb 6500K

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

Pairs With

#ECEAEA

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F8F7F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#345750

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: #663B43;

CSS — background

background-color: #663B43;

CSS Variable

--color-red-mahogany: #663B43;

Tailwind v3 — config

colors: { 'red-mahogany': '#663B43' }

Tailwind — arbitrary

bg-[#663B43] text-[#663B43]

SCSS

$red-mahogany: #663B43;

Similar Colors

Radicchio

#693541 · ΔE 4.7

Cascabel Chile

#693A3C · ΔE 4.7

New Pilgrim Red

#674142 · ΔE 4.8

Ruby Dusk

#6D4243 · ΔE 5.0

Carter Plum

#734450 · ΔE 5.1

Bordéaux Red

#6C4551 · ΔE 5.3

New London Burgundy

#754B4E · ΔE 7.0

Jester

#5A3646 · ΔE 7.1

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 #663B43?

#663B43 is Red Mahogany, a deep red with a warm undertone.

Is #663B43 warm or cool?

Red Mahogany reads warm, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Red Mahogany?

Red Mahogany works well in dining rooms, hallways, feature walls. Designers typically use it for accent walls, doors, statement furniture.

What colors pair well with Red Mahogany?

Red Mahogany pairs naturally with cream walls, oak furniture, brass, soft black trim. Its complementary color is also a strong contrast option for accents.

Where can I download Red Mahogany?

You can download Red Mahogany 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 Red Mahogany?

The hex code is #663B43. In RGB it's 102, 59, 67, and in HSL it's 349°, 27%, 32%.

← All colors