BLUES

Harbor Blue

#5B79AA

RGB 91, 121, 170 · HSL 217°, 32%, 51% · CMYK 46, 29, 0, 33

Harbor Blue is #5B79AA in HEX — rgb(91, 121, 170), hsl(217°, 32%, 51%), cmyk(46%, 29%, 0%, 33%).

Harbor Blue pulls into the mid-tone end of the blues spectrum — HSL 217°, 32%, 51%. 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#5B79AA

RGB91, 121, 170

HSL217°, 32%, 51%

HSV217°, 46%, 67%

CMYK46, 29, 0, 33

Decimal5994922

CSS RGBrgb(91, 121, 170)

CSS HSLhsl(217, 32%, 51%)

Paint Matches — this color across 16 brands

Vista Paint

Harbor Blue K-105

Exact match

Hallman-Lindsay

Caribbean Current 598

ΔE 1.2 · #5678A9

Behr

Baltic Blue HDC-FL13-6

ΔE 2.6 · #5179AB

Dulux

Plunder S40F6

ΔE 3 · #5075A9

Valspar

Burbling Brook 4007-8C

ΔE 4.1 · #5175A1

Kilz

Azurite RC110-01

ΔE 4.3 · #4E71A6

Sherwin-Williams

Lupine SW6810

ΔE 4.6 · #4E739F

Benjamin Moore

Watertown 818

ΔE 5 · #5C7FB8

PPG

Shrinking Violet 1162-5

ΔE 5.5 · #5D84B1

IKEA

IKEA128 128

ΔE 8.5 · #4A72B0

Dunn-Edwards

Clean Slate DE5880

ΔE 8.5 · #577396

RAL

Distant Blue 5023

ΔE 9.6 · #49678D

Farrow & Ball

Pitch Blue 220

ΔE 10.8 · #636E8F

Kobra

Blue 29

ΔE 14 · #1882B4

Dutch Boy

Blue Sea VS-9451

ΔE 19.7 · #2D61AD

Colorhouse

Petal .05 Petal-05

ΔE 25.8 · #1F4992

Light Reflectance & Undertone

Light Reflectance Value (LRV)

19/100

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

#5B79AA

#AA8B5A

Analogous

#5AA1AA

#5B79AA

#635AAA

Triadic

#5B79AA

#AA5A79

#79AA5A

Split-Complementary

#5B79AA

#AA635A

#A1AA5A

Tetradic

#5B79AA

#AA5AA1

#AA8B5A

#5AAA63

Monochromatic

#243247

#3E5579

#5B79AA

#8DA2C4

#BFCBDE

Rectangle

#5B79AA

#8B5AAA

#AA8B5A

#79AA5A

Compound

#5B79AA

#635AAA

#AA8B5A

#A1AA5A

Variations

Lighter

#7B94BB

#A0AFC8

#C9D1DD

Darker

#45608B

#2E4261

#1A2639

Saturation

#767F8E

#5A79AA

#306FD5

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

4.41:1

AA Large

vs Black

4.76:1

Deuteranopia

#5B79AA

#6276AB

Original → Simulated

Protanopia

#5B79AA

#7575A5

Original → Simulated

Tritanopia

#5B79AA

#55827B

Original → Simulated

Color Psychology

Focused · Cooling

Harbor 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

#84879B

Warm Bulb 2700K

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

#5B79AA

Daylight 5500K

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

#718CBF

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.

#8D7650

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: #5B79AA;

CSS — background

background-color: #5B79AA;

CSS Variable

--color-harbor-blue: #5B79AA;

Tailwind v3 — config

colors: { 'harbor-blue': '#5B79AA' }

Tailwind — arbitrary

bg-[#5B79AA] text-[#5B79AA]

SCSS

$harbor-blue: #5B79AA;

Similar Colors

Watertown

#5B7EB7 · ΔE 4.9

Waterdrop

#5C79B3 · ΔE 5.4

Nile Blue

#4E719A · ΔE 6.2

Athens Blue

#3D74AC · ΔE 7.1

Yin Yang

#6A82A8 · ΔE 7.6

Winter's Eve

#40729C · ΔE 8.0

Blue Nova

#5B6D92 · ΔE 8.4

Old Glory

#396998 · ΔE 8.4

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 #5B79AA?

#5B79AA is Harbor Blue, a mid-tone blue with a cool undertone.

Is #5B79AA warm or cool?

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

What rooms work best with Harbor Blue?

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

What colors pair well with Harbor Blue?

Harbor 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 Harbor Blue?

You can download Harbor 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 Harbor Blue?

The hex code is #5B79AA. In RGB it's 91, 121, 170, and in HSL it's 217°, 32%, 51%.

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