BLUES

Mission Bay

#355B78

RGB 53, 91, 120 · HSL 206°, 39%, 34% · CMYK 56, 24, 0, 53

Mission Bay is #355B78 in HEX — rgb(53, 91, 120), hsl(206°, 39%, 34%), cmyk(56%, 24%, 0%, 53%).

Mission Bay pulls into the rich end of the blues spectrum — HSL 206°, 39%, 34%. 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#355B78

RGB53, 91, 120

HSL206°, 39%, 34%

HSV206°, 56%, 47%

CMYK56, 24, 0, 53

Decimal3496824

CSS RGBrgb(53, 91, 120)

CSS HSLhsl(206, 39%, 34%)

Paint Matches — this color across 16 brands

Dulux

Tidal Wave S36E7

Exact match

Hallman-Lindsay

Happy Tune 648

ΔE 1.3 · #345875

PPG

Chinese Porcelain 1160-6

ΔE 1.8 · #3A5F7D

Valspar

Deep Sea Diving 5001-8C

ΔE 2.2 · #3B5B75

Dunn-Edwards

Blue Earth DE5853

ΔE 2.6 · #375673

Vista Paint

Happy Tune C-647

ΔE 3.1 · #315472

Behr

Mood Indigo 570F-6

ΔE 3.3 · #3C6381

Benjamin Moore

New 805

ΔE 3.4 · #365574

Kilz

Harborside RD120-02

ΔE 4.3 · #36637D

Sherwin-Williams

Regatta SW6517

ΔE 4.5 · #215772

IKEA

IKEA122 122

ΔE 5.9 · #3A5170

RAL

Distant Blue 5023

ΔE 8.2 · #49678D

Farrow & Ball

Stiffkey Blue 281

ΔE 10.6 · #4D5B6A

Kobra

Blue 30

ΔE 11.8 · #195584

Colorhouse

Wool .06 Wool-06

ΔE 12.9 · #485761

Dutch Boy

Ocean Blue D-6743

ΔE 13.4 · #4C6A74

Light Reflectance & Undertone

Light Reflectance Value (LRV)

10/100

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

#355B78

#795235

Analogous

#357974

#355B78

#353979

Triadic

#355B78

#79355B

#5B7935

Split-Complementary

#355B78

#793539

#797435

Tetradic

#355B78

#743579

#795235

#397935

Monochromatic

#080D12

#1E3343

#355B78

#4C83AE

#7FA8C7

Rectangle

#355B78

#523579

#795235

#5B7935

Compound

#355B78

#353979

#795235

#797435

Variations

Lighter

#497FA7

#799EBB

#B4C6D4

Darker

#294962

#1B3244

#0F1D28

Saturation

#4D5861

#355B79

#1A5F93

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

7.19:1

AAA

vs Black

2.92:1

Fail

Deuteranopia

#355B78

#475479

Original → Simulated

Protanopia

#355B78

#565675

Original → Simulated

Tritanopia

#355B78

#31605B

Original → Simulated

Color Psychology

Focused · Cooling

Mission Bay 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

#677175

Warm Bulb 2700K

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

#355B78

Daylight 5500K

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

#547699

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.

#624631

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: #355B78;

CSS — background

background-color: #355B78;

CSS Variable

--color-mission-bay: #355B78;

Tailwind v3 — config

colors: { 'mission-bay': '#355B78' }

Tailwind — arbitrary

bg-[#355B78] text-[#355B78]

SCSS

$mission-bay: #355B78;

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Lucerne

#3A647D · ΔE 4.7

Indi Go-Go

#445772 · ΔE 5.5

Summer Nights

#34586C · ΔE 5.8

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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 #355B78?

#355B78 is Mission Bay, a deep blue with a cool undertone.

Is #355B78 warm or cool?

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

What rooms work best with Mission Bay?

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

What colors pair well with Mission Bay?

Mission Bay 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 Mission Bay?

You can download Mission Bay 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 Mission Bay?

The hex code is #355B78. In RGB it's 53, 91, 120, and in HSL it's 206°, 39%, 34%.

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