BLUES

Antilles Blue

#3B618D

RGB 59, 97, 141 · HSL 212°, 41%, 39% · CMYK 58, 31, 0, 45

Antilles Blue is #3B618D in HEX — rgb(59, 97, 141), hsl(212°, 41%, 39%), cmyk(58%, 31%, 0%, 45%).

Antilles Blue pulls into the rich end of the blues spectrum — HSL 212°, 41%, 39%. The muted saturation makes it quiet but present, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, home offices — for calm, focused environments. Reads best alongside warm white trim, oak or walnut, brass or matte black hardware.

Color Codes

HEX#3B618D

RGB59, 97, 141

HSL212°, 41%, 39%

HSV212°, 58%, 55%

CMYK58, 31, 0, 45

Decimal3891597

CSS RGBrgb(59, 97, 141)

CSS HSLhsl(212, 41%, 39%)

Paint Matches — this color across 16 brands

Dulux

Antilles Blue S39E7

Exact match

RAL

Brillant Blue 5007

ΔE 1.4 · #3E5F8A

Behr

Loyalty BIC-52

ΔE 2.3 · #375C86

Kilz

Luxurious Blue RC280-02

ΔE 2.4 · #355F88

PPG

Teeny Bikini 1162-6

ΔE 3.9 · #326395

Benjamin Moore

Old 811

ΔE 4.2 · #3A6A99

Valspar

Egyptian Blue 4011-7

ΔE 4.7 · #42658A

Vista Paint

Hondy Tonk Blue C-618

ΔE 4.9 · #43668B

Dunn-Edwards

Slumber DE5860

ΔE 6.6 · #2D517C

Kobra

Blue 30

ΔE 6.6 · #195584

Hallman-Lindsay

Honky Tonk Blue 619

ΔE 6.8 · #446A8D

Sherwin-Williams

Lupine SW6810

ΔE 7.3 · #4E739F

IKEA

IKEA122 122

ΔE 10.1 · #3A5170

Farrow & Ball

Pitch Blue 220

ΔE 11.6 · #636E8F

Dutch Boy

Delft Blue 7447

ΔE 16.4 · #003B67

Colorhouse

Wool .06 Wool-06

ΔE 21.4 · #485761

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

TemperatureCool MasstoneBlue UndertoneViolet

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

Color Theory

Complementary

#3B618D

#8C663B

Analogous

#3B8A8C

#3B618D

#3D3B8C

Triadic

#3B618D

#8C3B61

#618C3B

Split-Complementary

#3B618D

#8C3D3B

#8A8C3B

Tetradic

#3B618D

#8C3B8A

#8C663B

#3B8C3D

Monochromatic

#0E1620

#243C56

#3B618D

#5A86BA

#90AED0

Rectangle

#3B618D

#663B8C

#8C663B

#618C3B

Compound

#3B618D

#3D3B8C

#8C663B

#8A8C3B

Variations

Lighter

#507FB6

#81A0C2

#B9C8D8

Darker

#2D4D72

#1E354F

#111F2F

Saturation

#576370

#3B618C

#1D5FAA

Interior Use

Best Rooms

bedrooms, bathrooms, home offices

Best Uses

main walls, ceilings, trim, cabinetry

Pairs With

warm white trim, oak or walnut, brass or matte black hardware

Accessibility (WCAG)

vs White

6.40:1

vs Black

3.28:1

AA Large

Deuteranopia

#3B618D

#485C8E

Original → Simulated

Protanopia

#3B618D

#5C5C88

Original → Simulated

Tritanopia

#3B618D

#346963

Original → Simulated

Color Psychology

Focused · Cooling

Antilles Blue lowers the temperature of a room — useful in south-facing rooms that overheat visually, and in home offices where you want a clear head. Pair with warm wood and brass to keep it from reading clinical.

SymbolismTrust, depth, stability

PersonalityClear-headed, dependable, contemplative

focustrustcalmofficebedroomdepth

How it looks under different light

#6C7585

Warm Bulb 2700K

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

#3B618D

Daylight 5500K

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

#597AA9

Cool Bulb 6500K

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

Pairs With

#E9EAEC

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.

#725637

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: #3B618D;

CSS — background

background-color: #3B618D;

CSS Variable

--color-antilles-blue: #3B618D;

Tailwind v3 — config

colors: { 'antilles-blue': '#3B618D' }

Tailwind — arbitrary

bg-[#3B618D] text-[#3B618D]

SCSS

$antilles-blue: #3B618D;

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#396998 · ΔE 3.9

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#1A5E89 · ΔE 5.9

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#2F5688 · ΔE 6.1

Prussian Blue

#325A7D · ΔE 6.4

Nile Blue

#4E719A · ΔE 6.9

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#40729C · ΔE 7.4

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#10557D · ΔE 8.1

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 #3B618D?

#3B618D is Antilles Blue, a deep blue with a cool undertone.

Is #3B618D warm or cool?

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

What rooms work best with Antilles Blue?

Antilles Blue works well in bedrooms, bathrooms, home offices. Designers typically use it for main walls, ceilings, trim, cabinetry.

What colors pair well with Antilles Blue?

Antilles Blue pairs naturally with warm white trim, oak or walnut, brass or matte black hardware. Its complementary color is also a strong contrast option for accents.

Where can I download Antilles Blue?

You can download Antilles Blue 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 Antilles Blue?

The hex code is #3B618D. In RGB it's 59, 97, 141, and in HSL it's 212°, 41%, 39%.

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