BLUES

Bleu de France

#318CE7

RGB 49, 140, 231 · HSL 210°, 79%, 55% · CMYK 79, 39, 0, 9

Bleu de France is #318CE7 in HEX — rgb(49, 140, 231), hsl(210°, 79%, 55%), cmyk(79%, 39%, 0%, 9%).

Bleu de France pulls into the mid-tone end of the blues spectrum — HSL 210°, 79%, 55%. 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#318CE7

RGB49, 140, 231

HSL210°, 79%, 55%

HSV210°, 79%, 91%

CMYK79, 39, 0, 9

Decimal3247335

CSS RGBrgb(49, 140, 231)

CSS HSLhsl(210, 79%, 55%)

Paint Matches — this color across 16 brands

Behr

Artesian Water S-G-550

ΔE 2.7 · #2591EF

PPG

Royal Plume 1243-6

ΔE 12.2 · #3C7AC2

Dunn-Edwards

Safe Harbor DE5865

ΔE 13.1 · #4A87CB

Vista Paint

Soothing Sapphire K-129

ΔE 13.2 · #297BC1

Hallman-Lindsay

Skylla 640

ΔE 13.3 · #1F7CC2

Dulux

Mykonos S39H6

ΔE 15.9 · #387EBE

Benjamin Moore

Big 2066-30

ΔE 16.1 · #0167B2

RAL

Sky Blue 5015

ΔE 16.9 · #2271B3

Dutch Boy

Blue Sea VS-9451

ΔE 18.3 · #2D61AD

Valspar

Cosmic Blue 4008-10C

ΔE 18.7 · #147EBB

IKEA

IKEA128 128

ΔE 18.9 · #4A72B0

Kilz

Aspiration RH190

ΔE 20.3 · #217AB4

Sherwin-Williams

Blue Chip SW6959

ΔE 22.6 · #016EA7

Kobra

Blue 29

ΔE 25.3 · #1882B4

Colorhouse

Petal .05 Petal-05

ΔE 27.9 · #1F4992

Farrow & Ball

Cook's Blue 237

ΔE 31.7 · #6A90B4

Light Reflectance & Undertone

Light Reflectance Value (LRV)

25/100

Medium

0 · DarkLight · 100

Balanced reflectance — holds colour without washing out. Versatile for most rooms and the most forgiving range for true-to-chip results.

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

#318CE7

#E78C32

Analogous

#32E7E7

#318CE7

#3232E7

Triadic

#318CE7

#E7328C

#8CE732

Split-Complementary

#318CE7

#E73232

#E7E732

Tetradic

#318CE7

#E732E7

#E78C32

#32E732

Monochromatic

#0D4072

#1566B7

#318CE7

#76B2EF

#BBD9F7

Rectangle

#318CE7

#8C32E7

#E78C32

#8CE732

Compound

#318CE7

#3232E7

#E78C32

#E7E732

Variations

Lighter

#5BA3EC

#8CBAE8

#C1D7ED

Darker

#1370CD

#0A4D90

#042D56

Saturation

#718CA7

#328CE7

#268CF3

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

3.48:1

AA Large

vs Black

6.04:1

Deuteranopia

#318CE7

#5184E8

Original → Simulated

Protanopia

#318CE7

#8282DE

Original → Simulated

Tritanopia

#318CE7

#009E90

Original → Simulated

Color Psychology

Focused · Cooling

Bleu de France 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

#6496C8

Warm Bulb 2700K

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

#318CE7

Daylight 5500K

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

#519BED

Cool Bulb 6500K

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

Pairs With

#E8EBEE

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.

#C77727

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 · Trim · Soft furniture

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: #318CE7;

CSS — background

background-color: #318CE7;

CSS Variable

--color-bleu-de-france: #318CE7;

Tailwind v3 — config

colors: { 'bleu-de-france': '#318CE7' }

Tailwind — arbitrary

bg-[#318CE7] text-[#318CE7]

SCSS

$bleu-de-france: #318CE7;

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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 #318CE7?

#318CE7 is Bleu de France, a mid-tone blue with a cool undertone.

Is #318CE7 warm or cool?

Bleu de France reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Bleu de France?

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

What colors pair well with Bleu de France?

Bleu de France 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 Bleu de France?

You can download Bleu de France 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 Bleu de France?

The hex code is #318CE7. In RGB it's 49, 140, 231, and in HSL it's 210°, 79%, 55%.

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