PURPLES

Illustrious Indigo

#5533BB

RGB 85, 51, 187 · HSL 255°, 57%, 47% · CMYK 55, 73, 0, 27

Illustrious Indigo is #5533BB in HEX — rgb(85, 51, 187), hsl(255°, 57%, 47%), cmyk(55%, 73%, 0%, 27%).

Illustrious Indigo pulls into the mid-tone end of the purples spectrum — HSL 255°, 57%, 47%. The balanced saturation makes it confident without overpowering, 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#5533BB

RGB85, 51, 187

HSL255°, 57%, 47%

HSV255°, 73%, 73%

CMYK55, 73, 0, 27

Decimal5583803

CSS RGBrgb(85, 51, 187)

CSS HSLhsl(255, 57%, 47%)

Paint Matches — this color across 16 brands

Behr

Classic Waltz P570-6

ΔE 6 · #5740CE

Dutch Boy

Blue Royale VS-9550

ΔE 34.9 · #243F90

Colorhouse

Petal .05 Petal-05

ΔE 42.1 · #1F4992

Vista Paint

Petulant Pat K-64

ΔE 42.3 · #50498A

RAL

Signal Blue 5005

ΔE 42.8 · #1E2D6E

PPG

Crushed Velvet 1245-7

ΔE 43.7 · #445397

Dunn-Edwards

Mardi Gras DE5943

ΔE 44.6 · #665D9E

Benjamin Moore

Mystical 2071-30

ΔE 45.1 · #674C87

Dulux

Purple Geisha SB8G7

ΔE 45.2 · #54518F

Hallman-Lindsay

Blue Highlight 613

ΔE 45.4 · #324A8B

Kobra

Violet 25

ΔE 47.2 · #776BAB

Valspar

Rollick 4003-10C

ΔE 48.3 · #745A92

Kilz

Superstition RH250

ΔE 50 · #604C7F

Sherwin-Williams

African Violet SW6982

ΔE 51.2 · #665385

IKEA

IKEA128 128

ΔE 54.6 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 66.2 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

8/100

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

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

#5533BB

#9ABC34

Analogous

#3456BC

#5533BB

#9A34BC

Triadic

#5533BB

#BC5634

#34BC56

Split-Complementary

#5533BB

#BC9A34

#56BC34

Tetradic

#5533BB

#BC3456

#9ABC34

#34BC9A

Monochromatic

#1F1344

#3A2380

#5533BB

#8267D5

#B4A3E6

Rectangle

#5533BB

#BC349A

#9ABC34

#34BC56

Compound

#5533BB

#9A34BC

#9ABC34

#56BC34

Variations

Lighter

#7455D1

#9A87D5

#C6BDE3

Darker

#432699

#2D196B

#1A0D3F

Saturation

#6E638C

#5634BC

#491AD6

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

8.15:1

AAA

vs Black

2.58:1

Fail

Deuteranopia

#5533BB

#0057BB

Original → Simulated

Protanopia

#5533BB

#3A3AB0

Original → Simulated

Tritanopia

#5533BB

#405D48

Original → Simulated

Color Psychology

Sophisticated · Imaginative

Illustrious Indigo 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

#7F53A7

Warm Bulb 2700K

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

#5533BB

Daylight 5500K

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

#6C58CC

Cool Bulb 6500K

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

Pairs With

#EAE9ED

Trim

Matched off-white

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

#F7F7F8

Ceiling

Whisper tint

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

#7F9735

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: #5533BB;

CSS — background

background-color: #5533BB;

CSS Variable

--color-illustrious-indigo: #5533BB;

Tailwind v3 — config

colors: { 'illustrious-indigo': '#5533BB' }

Tailwind — arbitrary

bg-[#5533BB] text-[#5533BB]

SCSS

$illustrious-indigo: #5533BB;

Similar Colors

Mystical Grape

#664B86 · ΔE 45.0

Scandinavian Blue

#4E4E8C · ΔE 45.1

Twilight Blue

#365496 · ΔE 46.6

Warriors Blue

#00498D · ΔE 46.7

Evening Blue

#004E93 · ΔE 47.1

Blue

#233872 · ΔE 48.1

Delphinium

#304C89 · ΔE 48.5

Basic Blue

#3F457D · ΔE 48.6

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 #5533BB?

#5533BB is Illustrious Indigo, a mid-tone purple with a cool undertone.

Is #5533BB warm or cool?

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

What rooms work best with Illustrious Indigo?

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

What colors pair well with Illustrious Indigo?

Illustrious Indigo 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 Illustrious Indigo?

You can download Illustrious Indigo 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 Illustrious Indigo?

The hex code is #5533BB. In RGB it's 85, 51, 187, and in HSL it's 255°, 57%, 47%.

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