BLUES

Undersea

#335261

RGB 51, 82, 97 · HSL 200°, 31%, 29% · CMYK 47, 15, 0, 62

Undersea is #335261 in HEX — rgb(51, 82, 97), hsl(200°, 31%, 29%), cmyk(47%, 15%, 0%, 62%).

Undersea pulls into the deep end of the blues spectrum — HSL 200°, 31%, 29%. 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#335261

RGB51, 82, 97

HSL200°, 31%, 29%

HSV200°, 47%, 38%

CMYK47, 15, 0, 62

Decimal3363425

CSS RGBrgb(51, 82, 97)

CSS HSLhsl(200, 31%, 29%)

Paint Matches — this color across 16 brands

Behr

Undersea S470-7

Exact match

Dulux

Wentworth S34A7

ΔE 1.7 · #335461

Sherwin-Williams

Marea Baja SW9185

ΔE 2 · #2E5464

Valspar

Boisterous Blue 4009-6

ΔE 2.5 · #375264

PPG

Blue Bayberry 1149-7

ΔE 2.6 · #2D5360

Hallman-Lindsay

Day Spa 634

ΔE 2.8 · #3D5463

Dunn-Edwards

Summer Night DE5811

ΔE 3.2 · #36576A

Vista Paint

Under the Sea K-176

ΔE 3.4 · #34545E

Benjamin Moore

In 1666

ΔE 4.2 · #425764

Farrow & Ball

Hague Blue 30

ΔE 5.6 · #3D4E57

Colorhouse

Wool .06 Wool-06

ΔE 6.6 · #485761

Kilz

Saxophone Solo RC290-02

ΔE 6.6 · #3F556C

RAL

Azure Blue 5009

ΔE 9.1 · #025669

Dutch Boy

Ocean Blue D-6743

ΔE 10.4 · #4C6A74

IKEA

IKEA122 122

ΔE 11.1 · #3A5170

Kobra

Blue 31

ΔE 11.7 · #334059

Light Reflectance & Undertone

Light Reflectance Value (LRV)

8/100

Very Dark

0 · DarkLight · 100

Absorbs almost all light — dramatic and cocooning. Needs strong artificial lighting and works best as an accent or in well-lit rooms.

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

#335261

#614233

Analogous

#336159

#335261

#333B61

Triadic

#335261

#613352

#526133

Split-Complementary

#335261

#61333B

#615933

Tetradic

#335261

#593361

#614233

#3B6133

Monochromatic

#090E11

#19272F

#335261

#4D7C93

#76A1B7

Rectangle

#335261

#423361

#614233

#526133

Compound

#335261

#333B61

#614233

#615933

Variations

Lighter

#4C7A90

#769CAF

#B2C4CD

Darker

#28424E

#1B2D37

#0F1A20

Saturation

#434C51

#335261

#1A5A7A

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

8.33:1

AAA

vs Black

2.52:1

Fail

Deuteranopia

#335261

#444B62

Original → Simulated

Protanopia

#335261

#4E4E5F

Original → Simulated

Tritanopia

#335261

#325452

Original → Simulated

Color Psychology

Focused · Cooling

Undersea 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

#666A64

Warm Bulb 2700K

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

#335261

Daylight 5500K

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

#536F88

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.

#4F392E

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: #335261;

CSS — background

background-color: #335261;

CSS Variable

--color-undersea: #335261;

Tailwind v3 — config

colors: { 'undersea': '#335261' }

Tailwind — arbitrary

bg-[#335261] text-[#335261]

SCSS

$undersea: #335261;

Similar Colors

In the Midnight Hour

#415663 · ΔE 4.0

Summer Nights

#34586C · ΔE 4.0

Hudson Bay

#3F5266 · ΔE 5.5

Washington Blue

#304656 · ΔE 5.5

Newburg Green

#445962 · ΔE 5.8

Newburyport Blue

#465566 · ΔE 6.1

Blue Danube

#2D5970 · ΔE 6.1

River Blue

#254952 · ΔE 6.1

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 #335261?

#335261 is Undersea, a deep blue with a cool undertone.

Is #335261 warm or cool?

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

What rooms work best with Undersea?

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

What colors pair well with Undersea?

Undersea 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 Undersea?

You can download Undersea 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 Undersea?

The hex code is #335261. In RGB it's 51, 82, 97, and in HSL it's 200°, 31%, 29%.

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