BLUES

China Seas

#034F7C

RGB 3, 79, 124 · HSL 202°, 95%, 25% · CMYK 98, 36, 0, 51

China Seas is #034F7C in HEX — rgb(3, 79, 124), hsl(202°, 95%, 25%), cmyk(98%, 36%, 0%, 51%).

China Seas pulls into the deep end of the blues spectrum — HSL 202°, 95%, 25%. The saturated saturation makes it bold and immediate, 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#034F7C

RGB3, 79, 124

HSL202°, 95%, 25%

HSV202°, 98%, 49%

CMYK98, 36, 0, 51

Decimal216956

CSS RGBrgb(3, 79, 124)

CSS HSLhsl(202, 95%, 25%)

Paint Matches — this color across 16 brands

Benjamin Moore

California 2060-20

ΔE 2.2 · #015482

Dulux

Linear S37H9

ΔE 3 · #164C75

RAL

Capri Blue 5019

ΔE 3 · #1B5583

Kobra

Blue 30

ΔE 3.1 · #195584

Vista Paint

Blue By You K-144

ΔE 3.3 · #064F77

Sherwin-Williams

Dignity Blue SW6804

ΔE 3.9 · #094C73

PPG

Stunning Sapphire 1158-7

ΔE 3.9 · #185887

Behr

Shasta Lake M490-7

ΔE 4.1 · #1F5886

Dunn-Edwards

Slumber DE5860

ΔE 5.3 · #2D517C

Hallman-Lindsay

Ocean Spray 662

ΔE 5.5 · #005379

Kilz

Navy Dress RH210

ΔE 7.4 · #285489

Dutch Boy

Delft Blue 7447

ΔE 9 · #003B67

Valspar

Precious Sapphire 4010-7

ΔE 11 · #44597E

IKEA

IKEA122 122

ΔE 11.2 · #3A5170

Farrow & Ball

Pitch Blue 220

ΔE 20 · #636E8F

Colorhouse

Petal .05 Petal-05

ΔE 20.5 · #1F4992

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

#034F7C

#7C3003

Analogous

#037C6C

#034F7C

#03137C

Triadic

#034F7C

#7C0350

#507C03

Split-Complementary

#034F7C

#7C0313

#7C6C03

Tetradic

#034F7C

#6C037C

#7C3003

#137C03

Monochromatic

#011019

#012032

#034F7C

#0580C7

#1FA9F9

Rectangle

#034F7C

#30037C

#7C3003

#507C03

Compound

#034F7C

#03137C

#7C3003

#7C6C03

Variations

Lighter

#0580C7

#30A5E9

#90C8E9

Darker

#004166

#002C46

#001A29

Saturation

#2E4552

#03507C

#02507E

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

8.70:1

AAA

vs Black

2.41:1

Fail

Deuteranopia

#034F7C

#2D477D

Original → Simulated

Protanopia

#034F7C

#484877

Original → Simulated

Tritanopia

#034F7C

#005750

Original → Simulated

Color Psychology

Focused · Cooling

China Seas 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

#426878

Warm Bulb 2700K

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

#034F7C

Daylight 5500K

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

#2F6D9C

Cool Bulb 6500K

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

Pairs With

#E7ECEE

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F8F8

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#622B0B

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: #034F7C;

CSS — background

background-color: #034F7C;

CSS Variable

--color-china-seas: #034F7C;

Tailwind v3 — config

colors: { 'china-seas': '#034F7C' }

Tailwind — arbitrary

bg-[#034F7C] text-[#034F7C]

SCSS

$china-seas: #034F7C;

Similar Colors

California Blue

#005381 · ΔE 1.8

Mistral

#10557D · ΔE 4.4

Patriot Blue

#184A7C · ΔE 5.6

Caribbean Azure

#00567C · ΔE 6.3

Blueberry

#1A5E89 · ΔE 6.5

Blue Suede Shoes

#2F5688 · ΔE 7.0

Downpour Blue

#254669 · ΔE 8.2

Blueberry Hill

#335183 · ΔE 8.2

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 #034F7C?

#034F7C is China Seas, a deep blue with a cool undertone.

Is #034F7C warm or cool?

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

What rooms work best with China Seas?

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

What colors pair well with China Seas?

China Seas 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 China Seas?

You can download China Seas 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 China Seas?

The hex code is #034F7C. In RGB it's 3, 79, 124, and in HSL it's 202°, 95%, 25%.

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