BLUES

Pool Water

#2188FF

RGB 33, 136, 255 · HSL 212°, 100%, 56% · CMYK 87, 47, 0, 0

Pool Water is #2188FF in HEX — rgb(33, 136, 255), hsl(212°, 100%, 56%), cmyk(87%, 47%, 0%, 0%).

Pool Water pulls into the mid-tone end of the blues spectrum — HSL 212°, 100%, 56%. 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#2188FF

RGB33, 136, 255

HSL212°, 100%, 56%

HSV212°, 87%, 100%

CMYK87, 47, 0, 0

Decimal2197759

CSS RGBrgb(33, 136, 255)

CSS HSLhsl(212, 100%, 56%)

Paint Matches — this color across 16 brands

Behr

Cerulean 560B-7

ΔE 8.2 · #1875E3

PPG

Royal Plume 1243-6

ΔE 26.8 · #3C7AC2

Dutch Boy

Blue Sea VS-9451

ΔE 27 · #2D61AD

Benjamin Moore

Big 2066-30

ΔE 27.2 · #0167B2

Dunn-Edwards

Beautiful Blue DEA136

ΔE 27.5 · #186DB6

Vista Paint

Soothing Sapphire K-129

ΔE 28.5 · #297BC1

Hallman-Lindsay

Skylla 640

ΔE 28.8 · #1F7CC2

RAL

Sky Blue 5015

ΔE 31.2 · #2271B3

Dulux

Barbados Blue S39H7

ΔE 31.5 · #276AAC

IKEA

IKEA128 128

ΔE 32.7 · #4A72B0

Colorhouse

Petal .05 Petal-05

ΔE 33.7 · #1F4992

Valspar

Dazzle 4005-10C

ΔE 34.3 · #556DA9

Kobra

Violet 25

ΔE 35.6 · #776BAB

Kilz

Aspiration RH190

ΔE 36.1 · #217AB4

Sherwin-Williams

Blue Chip SW6959

ΔE 37.4 · #016EA7

Farrow & Ball

Cook's Blue 237

ΔE 47.7 · #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

#2188FF

#FF961F

Analogous

#1FF8FF

#2188FF

#261FFF

Triadic

#2188FF

#FF1F87

#87FF1F

Split-Complementary

#2188FF

#FF261F

#F8FF1F

Tetradic

#2188FF

#FF1FF8

#FF961F

#1FFF26

Monochromatic

#003E85

#0062D1

#2188FF

#6BB0FF

#B8D9FF

Rectangle

#2188FF

#961FFF

#FF961F

#87FF1F

Compound

#2188FF

#261FFF

#FF961F

#F8FF1F

Variations

Lighter

#4B9FFF

#82B8F5

#BCD6F3

Darker

#006BE4

#00499D

#002B5B

Saturation

#6D8DB0

#1F87FF

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

6.03:1

Deuteranopia

#2188FF

#3485FF

Original → Simulated

Protanopia

#2188FF

#7E7EF4

Original → Simulated

Tritanopia

#2188FF

#00A290

Original → Simulated

Color Psychology

Focused · Cooling

Pool Water 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

#5893DA

Warm Bulb 2700K

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

#2188FF

Daylight 5500K

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

#4598FF

Cool Bulb 6500K

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

Pairs With

#E7EAEE

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.

#DA8018

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: #2188FF;

CSS — background

background-color: #2188FF;

CSS Variable

--color-pool-water: #2188FF;

Tailwind v3 — config

colors: { 'pool-water': '#2188FF' }

Tailwind — arbitrary

bg-[#2188FF] text-[#2188FF]

SCSS

$pool-water: #2188FF;

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#0066B1 · ΔE 27.3

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#0063A6 · ΔE 32.1

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#3862A3 · ΔE 32.6

Blue Lapis

#6289C6 · ΔE 33.0

Paddington Blue

#1369A7 · ΔE 34.3

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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 #2188FF?

#2188FF is Pool Water, a mid-tone blue with a cool undertone.

Is #2188FF warm or cool?

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

What rooms work best with Pool Water?

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

What colors pair well with Pool Water?

Pool Water 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 Pool Water?

You can download Pool Water 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 Pool Water?

The hex code is #2188FF. In RGB it's 33, 136, 255, and in HSL it's 212°, 100%, 56%.

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