BLUES

Marine Ink

#6384B8

RGB 99, 132, 184 · HSL 217°, 37%, 55% · CMYK 46, 28, 0, 28

Marine Ink is #6384B8 in HEX — rgb(99, 132, 184), hsl(217°, 37%, 55%), cmyk(46%, 28%, 0%, 28%).

Marine Ink pulls into the mid-tone end of the blues spectrum — HSL 217°, 37%, 55%. 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#6384B8

RGB99, 132, 184

HSL217°, 37%, 55%

HSV217°, 46%, 72%

CMYK46, 28, 0, 28

Decimal6522040

CSS RGBrgb(99, 132, 184)

CSS HSLhsl(217, 37%, 55%)

Paint Matches — this color across 16 brands

Dulux

Prompt S40F5

ΔE 1.6 · #5D82B5

Behr

Neon Blue PPU15-6

ΔE 2.3 · #5C83B5

PPG

Kimono 1166-5

ΔE 3.2 · #6D86B6

Benjamin Moore

Watertown 818

ΔE 3.6 · #5C7FB8

Valspar

Mountain Lake 4006-8B

ΔE 3.6 · #6689B8

Vista Paint

Harbor Blue K-105

ΔE 4.5 · #5B79AA

Hallman-Lindsay

Caribbean Current 598

ΔE 5 · #5678A9

Kilz

Genie RB120-01

ΔE 6.6 · #6877AA

Sherwin-Williams

Perfect Periwinkle SW9065

ΔE 6.7 · #6487B0

Dunn-Edwards

Bodega Bay DE5893

ΔE 7.1 · #5E81C1

RAL

Light Blue 5012

ΔE 8.8 · #3B83BD

IKEA

IKEA128 128

ΔE 9.6 · #4A72B0

Farrow & Ball

Cook's Blue 237

ΔE 10.8 · #6A90B4

Kobra

Blue 29

ΔE 13.7 · #1882B4

Dutch Boy

Celestial Horizon DCP-0589

ΔE 19.3 · #8FA4BF

Colorhouse

Water .05 Water-05

ΔE 27.5 · #82979D

Light Reflectance & Undertone

Light Reflectance Value (LRV)

23/100

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

#6384B8

#B79662

Analogous

#62ADB7

#6384B8

#6C62B7

Triadic

#6384B8

#B76282

#82B762

Split-Complementary

#6384B8

#B76C62

#ADB762

Tetradic

#6384B8

#B762AD

#B79662

#62B76C

Monochromatic

#283A57

#405D8C

#6384B8

#96ACCF

#CBD5E7

Rectangle

#6384B8

#9662B7

#B79662

#82B762

Compound

#6384B8

#6C62B7

#B79662

#ADB762

Variations

Lighter

#819BC5

#A4B5D0

#CCD4E1

Darker

#45669C

#2E466D

#1A2840

Saturation

#808999

#6282B7

#3E7ADB

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

3.80:1

AA Large

vs Black

5.52:1

Deuteranopia

#6384B8

#6B80B9

Original → Simulated

Protanopia

#6384B8

#7F7FB2

Original → Simulated

Tritanopia

#6384B8

#5C8D86

Original → Simulated

Color Psychology

Focused · Cooling

Marine Ink 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

#8A90A5

Warm Bulb 2700K

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

#6384B8

Daylight 5500K

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

#7795C9

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.

#9D8052

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 · Trim · Soft furniture

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: #6384B8;

CSS — background

background-color: #6384B8;

CSS Variable

--color-marine-ink: #6384B8;

Tailwind v3 — config

colors: { 'marine-ink': '#6384B8' }

Tailwind — arbitrary

bg-[#6384B8] text-[#6384B8]

SCSS

$marine-ink: #6384B8;

Similar Colors

Watertown

#5B7EB7 · ΔE 3.9

Waterloo

#5F8EC2 · ΔE 4.9

Blue Lapis

#6289C6 · ΔE 5.4

Waterdrop

#5C79B3 · ΔE 5.8

Brazilian Blue

#6E94CC · ΔE 6.3

Yin Yang

#6A82A8 · ΔE 8.2

Athens Blue

#3D74AC · ΔE 8.8

Softened Violet

#8085B4 · ΔE 8.8

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 #6384B8?

#6384B8 is Marine Ink, a mid-tone blue with a cool undertone.

Is #6384B8 warm or cool?

Marine Ink reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Marine Ink?

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

What colors pair well with Marine Ink?

Marine Ink 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 Marine Ink?

You can download Marine Ink 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 Marine Ink?

The hex code is #6384B8. In RGB it's 99, 132, 184, and in HSL it's 217°, 37%, 55%.

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