BLUES

Sea Hunter

#245B78

RGB 36, 91, 120 · HSL 201°, 54%, 31% · CMYK 70, 24, 0, 53

Sea Hunter is #245B78 in HEX — rgb(36, 91, 120), hsl(201°, 54%, 31%), cmyk(70%, 24%, 0%, 53%).

Sea Hunter pulls into the rich end of the blues spectrum — HSL 201°, 54%, 31%. 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#245B78

RGB36, 91, 120

HSL201°, 54%, 31%

HSV201°, 70%, 47%

CMYK70, 24, 0, 53

Decimal2382712

CSS RGBrgb(36, 91, 120)

CSS HSLhsl(201, 54%, 31%)

Paint Matches — this color across 16 brands

Dulux

Sea Hunter S35D7

Exact match

Sherwin-Williams

Regatta SW6517

ΔE 2 · #215772

Behr

Blue Spell 550F-7

ΔE 2.2 · #245673

PPG

Mountain Lake 1156-6

ΔE 2.3 · #2D5975

Hallman-Lindsay

Queen Of The Night 655

ΔE 3 · #295776

Vista Paint

Queen of the Night C-654

ΔE 3.4 · #265574

Benjamin Moore

Blue 2062-30

ΔE 4 · #2E5A71

Dunn-Edwards

Navy Teal DE5832

ΔE 4.2 · #20576E

Kilz

Harborside RD120-02

ΔE 4.3 · #36637D

Valspar

Azure Jazz 4011-6

ΔE 5.2 · #386178

RAL

Pearl Gentian Blue 5025

ΔE 7.1 · #2A6478

IKEA

IKEA122 122

ΔE 8.9 · #3A5170

Kobra

Blue 30

ΔE 12.1 · #195584

Farrow & Ball

Stiffkey Blue 281

ΔE 13.1 · #4D5B6A

Dutch Boy

Ocean Blue D-6743

ΔE 14.2 · #4C6A74

Colorhouse

Wool .06 Wool-06

ΔE 14.8 · #485761

Light Reflectance & Undertone

Light Reflectance Value (LRV)

9/100

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

#245B78

#7A4224

Analogous

#247A6D

#245B78

#24317A

Triadic

#245B78

#7A245C

#5C7A24

Split-Complementary

#245B78

#7A2431

#7A6D24

Tetradic

#245B78

#6D247A

#7A4224

#317A24

Monochromatic

#060F14

#132F3F

#245B78

#3688B5

#66ACD1

Rectangle

#245B78

#42247A

#7A4224

#5C7A24

Compound

#245B78

#24317A

#7A4224

#7A6D24

Variations

Lighter

#3585B0

#65A4C6

#AAC8D9

Darker

#1B4A63

#123345

#0A1E29

Saturation

#42535C

#245C7A

#12618C

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

7.39:1

AAA

vs Black

2.84:1

Fail

Deuteranopia

#245B78

#425179

Original → Simulated

Protanopia

#245B78

#555575

Original → Simulated

Tritanopia

#245B78

#1F605B

Original → Simulated

Color Psychology

Focused · Cooling

Sea Hunter 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

#5A7175

Warm Bulb 2700K

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

#245B78

Daylight 5500K

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

#487699

Cool Bulb 6500K

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

Pairs With

#E9EBED

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.

#623A24

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: #245B78;

CSS — background

background-color: #245B78;

CSS Variable

--color-sea-hunter: #245B78;

Tailwind v3 — config

colors: { 'sea-hunter': '#245B78' }

Tailwind — arbitrary

bg-[#245B78] text-[#245B78]

SCSS

$sea-hunter: #245B78;

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#18546A · ΔE 5.6

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#325A7D · ΔE 5.7

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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 #245B78?

#245B78 is Sea Hunter, a deep blue with a cool undertone.

Is #245B78 warm or cool?

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

What rooms work best with Sea Hunter?

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

What colors pair well with Sea Hunter?

Sea Hunter 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 Sea Hunter?

You can download Sea Hunter 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 Sea Hunter?

The hex code is #245B78. In RGB it's 36, 91, 120, and in HSL it's 201°, 54%, 31%.

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