NEUTRALS

Halcyon Blue

#E0E5E3

RGB 224, 229, 227 · HSL 156°, 9%, 89% · CMYK 2, 0, 1, 10

Halcyon Blue is #E0E5E3 in HEX — rgb(224, 229, 227), hsl(156°, 9%, 89%), cmyk(2%, 0%, 1%, 10%).

Halcyon Blue pulls into the airy end of the neutrals spectrum — HSL 156°, 9%, 89%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on main walls, trims, ceilings — versatile across nearly any style. Reads best alongside soft whites, natural wood, matte black trim, linen.

Color Codes

HEX#E0E5E3

RGB224, 229, 227

HSL156°, 9%, 89%

HSV156°, 2%, 90%

CMYK2, 0, 1, 10

Decimal14738915

CSS RGBrgb(224, 229, 227)

CSS HSLhsl(156, 9%, 89%)

Paint Matches — this color across 16 brands

Valspar

Halcyon Blue 5001-3A

Exact match

PPG

Gray Glimpse 1036-1

ΔE 0.5 · #E0E4E2

Kilz

Oakleaf Hydrangea RJ140

ΔE 0.9 · #DFE3E0

Benjamin Moore

Fanfare 874

ΔE 0.9 · #E2E7E6

Behr

Subtle Touch 790E-1

ΔE 0.9 · #DEE5E4

Sherwin-Williams

Quicksilver SW6245

ΔE 1.1 · #DDE2E0

Vista Paint

Heirloom Silver K-790

ΔE 1.2 · #E3E5E4

Hallman-Lindsay

Illuminating Experience 628

ΔE 1.2 · #DEE4E0

Dunn-Edwards

White Lake DE6323

ΔE 1.3 · #E2E7E7

IKEA

IKEA057 57

ΔE 1.5 · #E4E7E3

Dulux

Snow Season Quarter SN4E1

ΔE 1.5 · #E2E4E0

Dutch Boy

Tinge Grey VS-9117

ΔE 2.2 · #E2E2E2

Colorhouse

Bisque .06 Bisque-06

ΔE 2.3 · #DAE2DD

Farrow & Ball

Cabbage White 269

ΔE 3.2 · #E8EEEA

Kobra

White 01

ΔE 3.4 · #EAEAE4

RAL

Papyrus White 9018

ΔE 5 · #D7D7D7

Light Reflectance & Undertone

Light Reflectance Value (LRV)

77/100

Very Light

0 · DarkLight · 100

Bounces most light back into the room — maximises brightness and makes small or north-facing rooms feel larger. Reads close to a soft neutral.

Undertone

TemperatureCool MasstoneTeal UndertoneGreen

A near-neutral with a subtle cool green undertone — it will pick up colour from surrounding surfaces and shift noticeably under different light.

Color Theory

Complementary

#E0E5E3

#E5E0E2

Analogous

#E0E5E1

#E0E5E3

#E0E5E5

Triadic

#E0E5E3

#E3E0E5

#E5E3E0

Split-Complementary

#E0E5E3

#E5E0E5

#E5E1E0

Tetradic

#E0E5E3

#E1E0E5

#E5E0E2

#E5E5E0

Monochromatic

#8DA098

#B7C3BE

#E0E5E3

#F1F3F2

Rectangle

#E0E5E3

#E0E2E5

#E5E0E2

#E5E3E0

Compound

#E0E5E3

#E0E5E5

#E5E0E2

#E5E1E0

Variations

Lighter

#E7EBE9

#EDEFEE

#F5F6F5

Darker

#AFBDB7

#70897F

#41504A

Saturation

#E2E4E3

#E0E5E3

#D4F2E6

Interior Use

Best Rooms

living rooms, bedrooms, kitchens

Best Uses

main walls, trim, accents

Pairs With

soft whites, natural wood, brass, matte black trim

Accessibility (WCAG)

vs White

1.27:1

Fail

vs Black

16.49:1

AAA

Deuteranopia

#E0E5E3

#E3E3E4

Original → Simulated

Protanopia

#E0E5E3

#E4E4E3

Original → Simulated

Tritanopia

#E0E5E3

#E0E5E5

Original → Simulated

Color Psychology

Quiet · Versatile

Halcyon Blue gets out of the way so the architecture and the people in the room do the work. The right neutral is never a default — it reads warm or cool, dusty or sharp depending on its undertone, and that undertone is what makes or breaks the room.

SymbolismBalance, sophistication, calm

PersonalityAdaptable, considered, timeless

versatileneutraltimelessbackdroptrimwall

How it looks under different light

#E7D8C5

Warm Bulb 2700K

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

#E0E5E3

Daylight 5500K

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

#D5DDEA

Cool Bulb 6500K

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

Pairs With

#EAEBEB

Trim

Matched off-white

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

#F7F7F7

Ceiling

Whisper tint

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

#CFAFBC

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) · Semi-gloss (trim) · Flat (ceiling)

Light tones absorb less light than expected — eggshell adds warmth on walls, semi-gloss gives trim crisp definition against pale walls.

Best Surfaces

Primary walls · Trim · Ceilings · 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; pale colors typically need 2 coats for full opacity.

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: #E0E5E3;

CSS — background

background-color: #E0E5E3;

CSS Variable

--color-halcyon-blue: #E0E5E3;

Tailwind v3 — config

colors: { 'halcyon-blue': '#E0E5E3' }

Tailwind — arbitrary

bg-[#E0E5E3] text-[#E0E5E3]

SCSS

$halcyon-blue: #E0E5E3;

Similar Colors

Fanfare

#E1E6E5 · ΔE 0.6

Genesis White

#E1E4E3 · ΔE 0.9

Marilyn's Dress

#E0E4E4 · ΔE 1.1

Tundra

#E2E4E3 · ΔE 1.2

Stone White

#DFE3E3 · ΔE 1.2

Gray Sky

#DDE5E5 · ΔE 1.5

Pure White

#E5E7E4 · ΔE 1.5

Mineral Ice

#DDE1E1 · ΔE 1.7

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 #E0E5E3?

#E0E5E3 is Halcyon Blue, a light neutral with a cool undertone.

Is #E0E5E3 warm or cool?

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

What rooms work best with Halcyon Blue?

Halcyon Blue works well in living rooms, bedrooms, kitchens. Designers typically use it for main walls, trim, accents.

What colors pair well with Halcyon Blue?

Halcyon Blue pairs naturally with soft whites, natural wood, brass, matte black trim. Its complementary color is also a strong contrast option for accents.

Where can I download Halcyon Blue?

You can download Halcyon Blue 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 Halcyon Blue?

The hex code is #E0E5E3. In RGB it's 224, 229, 227, and in HSL it's 156°, 9%, 89%.

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