BLUES

Caribbean Sky

#819ECB

RGB 129, 158, 203 · HSL 216°, 42%, 65% · CMYK 36, 22, 0, 20

Caribbean Sky is #819ECB in HEX — rgb(129, 158, 203), hsl(216°, 42%, 65%), cmyk(36%, 22%, 0%, 20%).

Caribbean Sky pulls into the light end of the blues spectrum — HSL 216°, 42%, 65%. 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#819ECB

RGB129, 158, 203

HSL216°, 42%, 65%

HSV216°, 36%, 80%

CMYK36, 22, 0, 20

Decimal8494795

CSS RGBrgb(129, 158, 203)

CSS HSLhsl(216, 42%, 65%)

Paint Matches — this color across 16 brands

Vista Paint

South Port K-106

ΔE 2.3 · #7D98C4

PPG

Boudoir Blue 1244-4

ΔE 2.8 · #7EA3D2

Behr

Blueberry Buckle 600F-5

ΔE 2.8 · #84A5D4

Dulux

Daddyo S41G4

ΔE 3.6 · #7D96C6

Hallman-Lindsay

Himalaya Sky 597

ΔE 3.6 · #7695C2

Valspar

Enchanted Evening 4003-8A

ΔE 3.7 · #8698C4

Kilz

Lake Periwinkle RC170-02

ΔE 3.7 · #7E9EC5

Sherwin-Williams

Dahlia SW6816

ΔE 5.1 · #8B98C4

Benjamin Moore

Cascade CC-904

ΔE 5.9 · #8EAEDA

Dunn-Edwards

Ocean City DE5879

ΔE 6 · #7896BA

Farrow & Ball

Cook's Blue 237

ΔE 8.4 · #6A90B4

IKEA

IKEA121 121

ΔE 9.9 · #8896B3

Dutch Boy

Celestial Horizon DCP-0589

ΔE 10.5 · #8FA4BF

Kobra

Violet 23

ΔE 14.7 · #B7B1DC

RAL

Light Blue 5012

ΔE 16.5 · #3B83BD

Colorhouse

Water .05 Water-05

ΔE 22.1 · #82979D

Light Reflectance & Undertone

Light Reflectance Value (LRV)

33/100

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

#819ECB

#CBAD80

Analogous

#80C4CB

#819ECB

#8880CB

Triadic

#819ECB

#CB809E

#9ECB80

Split-Complementary

#819ECB

#CB8880

#C4CB80

Tetradic

#819ECB

#CB80C4

#CBAD80

#80CB88

Monochromatic

#34527F

#4A75B5

#819ECB

#B7C8E1

#EDF1F8

Rectangle

#819ECB

#AD80CB

#CBAD80

#9ECB80

Compound

#819ECB

#8880CB

#CBAD80

#C4CB80

Variations

Lighter

#9AB2D6

#B6C6DD

#D7DEE9

Darker

#4F7ABB

#315385

#1B304F

Saturation

#9BA4B1

#809ECB

#6699E5

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

2.73:1

Fail

vs Black

7.69:1

AAA

Deuteranopia

#819ECB

#899ACC

Original → Simulated

Protanopia

#819ECB

#9A9AC6

Original → Simulated

Tritanopia

#819ECB

#7CA6A0

Original → Simulated

Color Psychology

Focused · Cooling

Caribbean Sky 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

#A0A3B3

Warm Bulb 2700K

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

#819ECB

Daylight 5500K

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

#8DA8D8

Cool Bulb 6500K

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

Pairs With

#E9EAEC

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.

#B69564

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: #819ECB;

CSS — background

background-color: #819ECB;

CSS Variable

--color-caribbean-sky: #819ECB;

Tailwind v3 — config

colors: { 'caribbean-sky': '#819ECB' }

Tailwind — arbitrary

bg-[#819ECB] text-[#819ECB]

SCSS

$caribbean-sky: #819ECB;

Similar Colors

Cascade

#8DADD9 · ΔE 5.5

Pressed Violet

#8EA3C5 · ΔE 6.8

Persian Violet

#929BC2 · ΔE 6.8

Steel Blue

#879EBF · ΔE 6.8

Nova Scotia Blue

#6BA3D0 · ΔE 7.5

Summer Blue

#92B3E0 · ΔE 7.7

Brazilian Blue

#6E94CC · ΔE 7.7

Mariner's Tale

#6B8DB3 · ΔE 8.1

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 #819ECB?

#819ECB is Caribbean Sky, a soft blue with a cool undertone.

Is #819ECB warm or cool?

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

What rooms work best with Caribbean Sky?

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

What colors pair well with Caribbean Sky?

Caribbean Sky 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 Caribbean Sky?

You can download Caribbean Sky 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 Caribbean Sky?

The hex code is #819ECB. In RGB it's 129, 158, 203, and in HSL it's 216°, 42%, 65%.

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