BLUES

Coastal Surf

#2D4982

RGB 45, 73, 130 · HSL 220°, 49%, 34% · CMYK 65, 44, 0, 49

Coastal Surf is #2D4982 in HEX — rgb(45, 73, 130), hsl(220°, 49%, 34%), cmyk(65%, 44%, 0%, 49%).

Coastal Surf pulls into the rich end of the blues spectrum — HSL 220°, 49%, 34%. The balanced saturation makes it confident without overpowering, 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#2D4982

RGB45, 73, 130

HSL220°, 49%, 34%

HSV220°, 65%, 51%

CMYK65, 44, 0, 49

Decimal2967938

CSS RGBrgb(45, 73, 130)

CSS HSLhsl(220, 49%, 34%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Florida Waters 599

ΔE 0.8 · #2A4983

Dunn-Edwards

Indigo Night DEA138

ΔE 2.4 · #324680

Benjamin Moore

Delphinium CC-872

ΔE 2.9 · #314D8A

Behr

Elegant Navy M530-7

ΔE 3 · #2D437D

Dulux

True Blue S40H9

ΔE 3.4 · #194983

PPG

Brilliant Blue 1161-7

ΔE 3.8 · #234E86

Sherwin-Williams

Morning Glory SW6971

ΔE 4.3 · #3C4C80

Vista Paint

Evening in Paris K-104

ΔE 4.7 · #254280

Valspar

Homecoming Blue 4009-9

ΔE 6.7 · #484E83

Kilz

Navy Dress RH210

ΔE 6.7 · #285489

RAL

Traffic Blue 5017

ΔE 7.7 · #063971

Colorhouse

Petal .05 Petal-05

ΔE 10 · #1F4992

Kobra

Blue 30

ΔE 11.3 · #195584

Dutch Boy

Delft Blue 7447

ΔE 11.7 · #003B67

IKEA

IKEA128 128

ΔE 16.7 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 22.4 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

7/100

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

#2D4982

#81652C

Analogous

#2C7381

#2D4982

#3A2C81

Triadic

#2D4982

#812C49

#49812C

Split-Complementary

#2D4982

#813A2C

#73812C

Tetradic

#2D4982

#812C73

#81652C

#2C813A

Monochromatic

#070B13

#192948

#2D4982

#4069BA

#7694D0

Rectangle

#2D4982

#652C81

#81652C

#49812C

Compound

#2D4982

#3A2C81

#81652C

#73812C

Variations

Lighter

#3D65B3

#708CC4

#B0BDD8

Darker

#223969

#162749

#0C172B

Saturation

#4A5263

#2C4981

#164197

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

8.80:1

AAA

vs Black

2.39:1

Fail

Deuteranopia

#2D4982

Original → Simulated

Protanopia

#2D4982

#45457C

Original → Simulated

Tritanopia

#2D4982

#21554D

Original → Simulated

Color Psychology

Focused · Cooling

Coastal Surf 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

#61637D

Warm Bulb 2700K

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

#2D4982

Daylight 5500K

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

#4E68A1

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.

#68542B

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: #2D4982;

CSS — background

background-color: #2D4982;

CSS Variable

--color-coastal-surf: #2D4982;

Tailwind v3 — config

colors: { 'coastal-surf': '#2D4982' }

Tailwind — arbitrary

bg-[#2D4982] text-[#2D4982]

SCSS

$coastal-surf: #2D4982;

Similar Colors

Delphinium

#304C89 · ΔE 2.7

Dark Royal Blue

#144B86 · ΔE 4.3

Starry Night Blue

#334076 · ΔE 5.0

Southern Belle

#41548C · ΔE 5.4

Basic Blue

#3F457D · ΔE 5.7

Blueberry Hill

#335183 · ΔE 6.0

Twilight Blue

#365496 · ΔE 6.8

Patriot Blue

#184A7C · ΔE 6.9

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 #2D4982?

#2D4982 is Coastal Surf, a deep blue with a cool undertone.

Is #2D4982 warm or cool?

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

What rooms work best with Coastal Surf?

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

What colors pair well with Coastal Surf?

Coastal Surf 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 Coastal Surf?

You can download Coastal Surf 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 Coastal Surf?

The hex code is #2D4982. In RGB it's 45, 73, 130, and in HSL it's 220°, 49%, 34%.

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