BLUES

Marlin

#515B87

RGB 81, 91, 135 · HSL 229°, 25%, 42% · CMYK 40, 33, 0, 47

Marlin is #515B87 in HEX — rgb(81, 91, 135), hsl(229°, 25%, 42%), cmyk(40%, 33%, 0%, 47%).

Marlin pulls into the rich end of the blues spectrum — HSL 229°, 25%, 42%. 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#515B87

RGB81, 91, 135

HSL229°, 25%, 42%

HSV229°, 40%, 53%

CMYK40, 33, 0, 47

Decimal5331847

CSS RGBrgb(81, 91, 135)

CSS HSLhsl(229, 25%, 42%)

Paint Matches — this color across 16 brands

Behr

Purple Orchid 620F-6

ΔE 1.7 · #4B5986

Dulux

Wizard S41F7

ΔE 2.1 · #4D5D88

Benjamin Moore

Fancy CSP-525

ΔE 3.1 · #546290

Valspar

Indigo 4003-8C

ΔE 3.6 · #586392

PPG

Blue Jewel 1167-7

ΔE 4.4 · #465383

Kilz

Grape Beginnings RB130-02

ΔE 4.9 · #586194

RAL

Brillant Blue 5007

ΔE 6.9 · #3E5F8A

Hallman-Lindsay

Fresh Take 1278

ΔE 7.3 · #505B93

Dunn-Edwards

Blue Review DE5902

ΔE 7.5 · #4E5878

Vista Paint

Fresh Take C-1277

ΔE 8.1 · #515992

Sherwin-Williams

Morning Glory SW6971

ΔE 8.5 · #3C4C80

Farrow & Ball

Pitch Blue 220

ΔE 10.3 · #636E8F

IKEA

IKEA122 122

ΔE 10.7 · #3A5170

Kobra

Blue 30

ΔE 12 · #195584

Dutch Boy

Royal Blue D-6740

ΔE 17.3 · #1D375C

Colorhouse

Create .06 Create-06

ΔE 20.6 · #5E3D5A

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

#515B87

#867C50

Analogous

#507586

#515B87

#615086

Triadic

#515B87

#86505A

#5A8650

Split-Complementary

#515B87

#866150

#758650

Tetradic

#515B87

#865075

#867C50

#508661

Monochromatic

#171A26

#343A56

#515B87

#7680AD

#A6ACC9

Rectangle

#515B87

#7C5086

#867C50

#5A8650

Compound

#515B87

#615086

#867C50

#758650

Variations

Lighter

#6B76A6

#939AB9

#C2C5D4

Darker

#3F476C

#2B314B

#181C2C

Saturation

#636673

#505A86

#2841AE

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

6.57:1

vs Black

3.20:1

AA Large

Deuteranopia

#515B87

#4D5D87

Original → Simulated

Protanopia

#515B87

#595982

Original → Simulated

Tritanopia

#515B87

#4C645E

Original → Simulated

Color Psychology

Focused · Cooling

Marlin 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

#7C7180

Warm Bulb 2700K

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

#515B87

Daylight 5500K

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

#6976A5

Cool Bulb 6500K

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

Pairs With

#EAEAEC

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.

#726944

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: #515B87;

CSS — background

background-color: #515B87;

CSS Variable

--color-marlin: #515B87;

Tailwind v3 — config

colors: { 'marlin': '#515B87' }

Tailwind — arbitrary

bg-[#515B87] text-[#515B87]

SCSS

$marlin: #515B87;

Similar Colors

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#53618F · ΔE 2.7

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#53588A · ΔE 4.4

Darkest Grape

#5C5A7C · ΔE 7.0

Blueberry Hill

#335183 · ΔE 8.1

Mauve Bauhaus

#5E5384 · ΔE 8.3

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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 #515B87?

#515B87 is Marlin, a mid-tone blue with a cool undertone.

Is #515B87 warm or cool?

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

What rooms work best with Marlin?

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

What colors pair well with Marlin?

Marlin 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 Marlin?

You can download Marlin 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 Marlin?

The hex code is #515B87. In RGB it's 81, 91, 135, and in HSL it's 229°, 25%, 42%.

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