BLUES

Dupain

#57A3BC

RGB 87, 163, 188 · HSL 195°, 43%, 54% · CMYK 54, 13, 0, 26

Dupain is #57A3BC in HEX — rgb(87, 163, 188), hsl(195°, 43%, 54%), cmyk(54%, 13%, 0%, 26%).

Dupain pulls into the mid-tone end of the blues spectrum — HSL 195°, 43%, 54%. 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#57A3BC

RGB87, 163, 188

HSL195°, 43%, 54%

HSV195°, 54%, 74%

CMYK54, 13, 0, 26

Decimal5743548

CSS RGBrgb(87, 163, 188)

CSS HSLhsl(195, 43%, 54%)

Paint Matches — this color across 16 brands

Dulux

Dupain S34C3

Exact match

Kilz

Caspian Blue RE140-01

ΔE 1.7 · #5AA0B9

Benjamin Moore

Palace CW-605

ΔE 2.5 · #5EA0B7

Behr

Jay Bird S490-5

ΔE 3.5 · #459DB7

Vista Paint

Patch of Blue K-186

ΔE 4.3 · #4CAAC4

Dunn-Edwards

Frozen Wave DE5829

ΔE 4.4 · #56ACCA

Valspar

Ocean Sigh 5002-10A

ΔE 6 · #51AECE

Sherwin-Williams

Jacaranda SW6802

ΔE 6.2 · #5A9EC0

PPG

Blue Calypso 1235-5

ΔE 6.4 · #55A7B6

Hallman-Lindsay

Sea Of Atlantis 653

ΔE 7.3 · #6AA1C1

Kobra

Blue 28

ΔE 7.3 · #4EB3CD

Farrow & Ball

St Giles Blue 280

ΔE 8.3 · #599EC4

IKEA

IKEA084 84

ΔE 10.7 · #83AAC1

Dutch Boy

Sky Blue D-6742

ΔE 11.6 · #7AC2D8

RAL

Pastel Blue 5024

ΔE 14.6 · #5D9B9B

Colorhouse

Water .05 Water-05

ΔE 17.9 · #82979D

Light Reflectance & Undertone

Light Reflectance Value (LRV)

32/100

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

#57A3BC

#BC7057

Analogous

#57BCA3

#57A3BC

#5770BC

Triadic

#57A3BC

#BC57A3

#A3BC57

Split-Complementary

#57A3BC

#BC5770

#BCA357

Tetradic

#57A3BC

#A357BC

#BC7057

#70BC57

Monochromatic

#234A58

#39798E

#57A3BC

#8EC1D2

#C5DFE8

Rectangle

#57A3BC

#7057BC

#BC7057

#A3BC57

Compound

#57A3BC

#5770BC

#BC7057

#BCA357

Variations

Lighter

#79B5CA

#9FC5D2

#CADCE2

Darker

#3C87A0

#285E70

#163742

Saturation

#7B9199

#57A3BC

#36B4DE

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

2.85:1

Fail

vs Black

7.37:1

AAA

Deuteranopia

#57A3BC

#8492BE

Original → Simulated

Protanopia

#57A3BC

#9999B9

Original → Simulated

Tritanopia

#57A3BC

#56A6A1

Original → Simulated

Color Psychology

Focused · Cooling

Dupain 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

#81A7A8

Warm Bulb 2700K

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

#57A3BC

Daylight 5500K

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

#6EACCC

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.

#F7F8F8

Ceiling

Whisper tint

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

#A0604A

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: #57A3BC;

CSS — background

background-color: #57A3BC;

CSS Variable

--color-dupain: #57A3BC;

Tailwind v3 — config

colors: { 'dupain': '#57A3BC' }

Tailwind — arbitrary

bg-[#57A3BC] text-[#57A3BC]

SCSS

$dupain: #57A3BC;

Similar Colors

Palace Blue

#5D9FB6 · ΔE 2.7

I've Got the Blues

#6AA4BE · ΔE 4.7

Cool Blue

#419AB7 · ΔE 4.7

Ash Blue

#4D9CAE · ΔE 5.1

Lafayette Blue

#6CA6C4 · ΔE 6.1

Atlantis Blue

#54B1C9 · ΔE 6.1

Blue Toile

#5598A9 · ΔE 6.1

Spa Day

#5EA3B1 · ΔE 6.3

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 #57A3BC?

#57A3BC is Dupain, a mid-tone blue with a cool undertone.

Is #57A3BC warm or cool?

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

What rooms work best with Dupain?

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

What colors pair well with Dupain?

Dupain 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 Dupain?

You can download Dupain 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 Dupain?

The hex code is #57A3BC. In RGB it's 87, 163, 188, and in HSL it's 195°, 43%, 54%.

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