BLUES

Harborside

#36637D

RGB 54, 99, 125 · HSL 202°, 40%, 35% · CMYK 57, 21, 0, 51

Harborside is #36637D in HEX — rgb(54, 99, 125), hsl(202°, 40%, 35%), cmyk(57%, 21%, 0%, 51%).

Harborside pulls into the rich end of the blues spectrum — HSL 202°, 40%, 35%. 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#36637D

RGB54, 99, 125

HSL202°, 40%, 35%

HSV202°, 57%, 49%

CMYK57, 21, 0, 51

Decimal3564413

CSS RGBrgb(54, 99, 125)

CSS HSLhsl(202, 40%, 35%)

Paint Matches — this color across 16 brands

Kilz

Harborside RD120-02

Exact match

Benjamin Moore

Lucerne AF-530

ΔE 1.3 · #3B657E

Valspar

Azure Jazz 4011-6

ΔE 2.1 · #386178

Dulux

Naval Passage S35C6

ΔE 2.7 · #386982

Vista Paint

Blue Suede Shoes K-153

ΔE 2.9 · #40677E

Behr

Ocean Storm MQ5-61

ΔE 2.9 · #3E6A83

PPG

Brigade 1152-6

ΔE 3.5 · #365D73

Sherwin-Williams

Georgian Bay SW6509

ΔE 4.6 · #22657F

Dunn-Edwards

Crashing Waves DE5810

ΔE 5 · #3E6F87

RAL

Pearl Gentian Blue 5025

ΔE 5.4 · #2A6478

Hallman-Lindsay

Happy Tune 648

ΔE 5.4 · #345875

IKEA

IKEA122 122

ΔE 10 · #3A5170

Dutch Boy

Ocean Blue D-6743

ΔE 10.6 · #4C6A74

Farrow & Ball

Stiffkey Blue 281

ΔE 10.8 · #4D5B6A

Colorhouse

Wool .06 Wool-06

ΔE 12.9 · #485761

Kobra

Blue 30

ΔE 14.8 · #195584

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

#36637D

#7D5036

Analogous

#367D73

#36637D

#363F7D

Triadic

#36637D

#7D3663

#637D36

Split-Complementary

#36637D

#7D363F

#7D7336

Tetradic

#36637D

#73367D

#7D5036

#3F7D36

Monochromatic

#080E12

#1F3847

#36637D

#4D8DB3

#82AFC9

Rectangle

#36637D

#50367D

#7D5036

#637D36

Compound

#36637D

#363F7D

#7D5036

#7D7336

Variations

Lighter

#4987AB

#7AA5BD

#B5C9D5

Darker

#294F65

#1B3747

#0F202A

Saturation

#4F5C64

#36637D

#1B6A98

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

6.49:1

vs Black

3.24:1

AA Large

Deuteranopia

#36637D

#4D5A7E

Original → Simulated

Protanopia

#36637D

#5D5D7A

Original → Simulated

Tritanopia

#36637D

#336763

Original → Simulated

Color Psychology

Focused · Cooling

Harborside 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

#687779

Warm Bulb 2700K

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

#36637D

Daylight 5500K

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

#557C9D

Cool Bulb 6500K

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

Pairs With

#E9EBEC

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.

#664532

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: #36637D;

CSS — background

background-color: #36637D;

CSS Variable

--color-harborside: #36637D;

Tailwind v3 — config

colors: { 'harborside': '#36637D' }

Tailwind — arbitrary

bg-[#36637D] text-[#36637D]

SCSS

$harborside: #36637D;

Similar Colors

Lucerne

#3A647D · ΔE 1.0

Blue Danube

#2D5970 · ΔE 4.5

Bainbridge Blue

#33677B · ΔE 4.8

Santa Monica Blue

#3A6E8C · ΔE 5.0

Bellbottom Blues

#386B8C · ΔE 5.2

Summer Nights

#34586C · ΔE 5.8

Bedford Blue

#4E738C · ΔE 7.1

Prussian Blue

#325A7D · ΔE 7.2

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 #36637D?

#36637D is Harborside, a deep blue with a cool undertone.

Is #36637D warm or cool?

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

What rooms work best with Harborside?

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

What colors pair well with Harborside?

Harborside 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 Harborside?

You can download Harborside 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 Harborside?

The hex code is #36637D. In RGB it's 54, 99, 125, and in HSL it's 202°, 40%, 35%.

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