PURPLES

Regal Gown

#645777

RGB 100, 87, 119 · HSL 264°, 16%, 40% · CMYK 16, 27, 0, 53

Regal Gown is #645777 in HEX — rgb(100, 87, 119), hsl(264°, 16%, 40%), cmyk(16%, 27%, 0%, 53%).

Regal Gown pulls into the rich end of the purples spectrum — HSL 264°, 16%, 40%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on accent walls, dressing rooms, creative studios — for character without shouting. Reads best alongside warm whites, walnut, brass, deep velvet textiles.

Color Codes

HEX#645777

RGB100, 87, 119

HSL264°, 16%, 40%

HSV264°, 27%, 47%

CMYK16, 27, 0, 53

Decimal6575991

CSS RGBrgb(100, 87, 119)

CSS HSLhsl(264, 16%, 40%)

Paint Matches — this color across 16 brands

Dulux

Regal Gown S44D7

Exact match

Dunn-Edwards

Princely Violet DE5957

ΔE 2.9 · #6D5C7B

Valspar

Velvet Beret 1001-3A

ΔE 3.2 · #675375

Sherwin-Williams

Plummy SW6558

ΔE 3.3 · #675A75

PPG

Pageant Pansy 13-20

ΔE 4.3 · #705C79

Benjamin Moore

Darkest 2069-30

ΔE 4.3 · #5D5B7D

Behr

Plum Shade 100F-6

ΔE 5 · #685971

Kilz

Regal Purple RA130-02

ΔE 5 · #70627F

Vista Paint

Grapes of Wrath C-1283

ΔE 5.8 · #65617C

Hallman-Lindsay

Grapes Of Wrath 1284

ΔE 6.2 · #65627D

RAL

Pearl Black Berry 4012

ΔE 8.3 · #6C6881

Farrow & Ball

Pitch Blue 220

ΔE 11.5 · #636E8F

Colorhouse

Create .06 Create-06

ΔE 12.5 · #5E3D5A

IKEA

IKEA122 122

ΔE 13.7 · #3A5170

Kobra

Violet 26

ΔE 15.4 · #7B598F

Dutch Boy

Seal of Grey VS-9301

ΔE 20.4 · #575757

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 MasstoneViolet UndertoneBlue

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

Color Theory

Complementary

#645777

#697656

Analogous

#565976

#645777

#735676

Triadic

#645777

#766356

#567663

Split-Complementary

#645777

#767356

#597656

Tetradic

#645777

#765659

#697656

#567673

Monochromatic

#19151E

#3E364A

#645777

#897A9F

#B0A6BF

Rectangle

#645777

#765669

#697656

#567663

Compound

#645777

#735676

#697656

#597656

Variations

Lighter

#817198

#A197B0

#C8C3CF

Darker

#4F445F

#362E42

#1F1B27

Saturation

#65616B

#635676

#5A2BA1

Interior Use

Best Rooms

dressing rooms, creative studios, accent walls

Best Uses

feature walls, cabinetry, textiles

Pairs With

warm whites, walnut, brass, deep velvet textiles

Accessibility (WCAG)

vs White

6.62:1

vs Black

3.17:1

AA Large

Deuteranopia

#645777

#575F77

Original → Simulated

Protanopia

#645777

#595973

Original → Simulated

Tritanopia

#645777

#615D5A

Original → Simulated

Color Psychology

Sophisticated · Imaginative

Regal Gown carries history — long associated with luxury and contemplation. It works in low-light, intimate rooms (dressing rooms, dens, accent walls) where its complexity gets time to unfold. Pair with brass and walnut.

SymbolismLuxury, intuition, creativity

PersonalityRefined, mysterious, artistic

luxurycreativeintuitionintimateaccentrefined

How it looks under different light

#8A6E74

Warm Bulb 2700K

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

#645777

Daylight 5500K

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

#787399

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.

#5B6C41

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: #645777;

CSS — background

background-color: #645777;

CSS Variable

--color-regal-gown: #645777;

Tailwind v3 — config

colors: { 'regal-gown': '#645777' }

Tailwind — arbitrary

bg-[#645777] text-[#645777]

SCSS

$regal-gown: #645777;

Similar Colors

Darkest Grape

#5C5A7C · ΔE 4.3

Dark Lilac

#544D6D · ΔE 5.2

Pinot Grigio Grape

#6F6177 · ΔE 7.3

Fire and Ice

#76597F · ΔE 7.5

Purple Lotus

#604B62 · ΔE 7.7

Cupid's Dart

#7D6685 · ΔE 8.0

Ultra Violet

#755172 · ΔE 9.3

Taro

#5B435D · ΔE 9.4

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 #645777?

#645777 is Regal Gown, a mid-tone purple with a cool undertone.

Is #645777 warm or cool?

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

What rooms work best with Regal Gown?

Regal Gown works well in dressing rooms, creative studios, accent walls. Designers typically use it for feature walls, cabinetry, textiles.

What colors pair well with Regal Gown?

Regal Gown pairs naturally with warm whites, walnut, brass, deep velvet textiles. Its complementary color is also a strong contrast option for accents.

Where can I download Regal Gown?

You can download Regal Gown 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 Regal Gown?

The hex code is #645777. In RGB it's 100, 87, 119, and in HSL it's 264°, 16%, 40%.

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