BLUES

Zen Blue

#99A4BA

RGB 153, 164, 186 · HSL 220°, 19%, 66% · CMYK 18, 12, 0, 27

Zen Blue is #99A4BA in HEX — rgb(153, 164, 186), hsl(220°, 19%, 66%), cmyk(18%, 12%, 0%, 27%).

Zen Blue pulls into the light end of the blues spectrum — HSL 220°, 19%, 66%. The neutral saturation makes it near-neutral and forgiving, 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#99A4BA

RGB153, 164, 186

HSL220°, 19%, 66%

HSV220°, 18%, 73%

CMYK18, 12, 0, 27

Decimal10069178

CSS RGBrgb(153, 164, 186)

CSS HSLhsl(220, 19%, 66%)

Paint Matches — this color across 16 brands

Dulux

Silver Star S41D3

ΔE 1.2 · #97A1B8

Benjamin Moore

Dreamy 1425

ΔE 1.9 · #9BA2BA

Behr

Ashberry N550-4

ΔE 1.9 · #9CA9BE

Vista Paint

Purpley Puff K-91

ΔE 2.1 · #9EA6B9

Kilz

Sea Lavender RB240-02

ΔE 2.3 · #94A0B9

Sherwin-Williams

Vesper Violet SW6542

ΔE 2.8 · #99A0B2

PPG

Lilac Time 1168-4

ΔE 3.4 · #A4ABBF

Valspar

Acier Tint 4004-3C

ΔE 3.4 · #98A2B2

Dutch Boy

Celestial Horizon DCP-0589

ΔE 4.2 · #8FA4BF

Hallman-Lindsay

Butterfly Bush 1282

ΔE 4.4 · #A2A1B9

Dunn-Edwards

Bay Fog DE5934

ΔE 4.9 · #9899B0

IKEA

IKEA121 121

ΔE 6.7 · #8896B3

RAL

Window Grey 7040

ΔE 7.5 · #9DA1AA

Farrow & Ball

Lulworth Blue 89

ΔE 8.1 · #A1B8CA

Kobra

Grey 42

ΔE 10.5 · #889099

Colorhouse

Water .05 Water-05

ΔE 11.6 · #82979D

Light Reflectance & Undertone

Light Reflectance Value (LRV)

37/100

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

#99A4BA

#B9AE98

Analogous

#98B3B9

#99A4BA

#9D98B9

Triadic

#99A4BA

#B998A3

#A3B998

Split-Complementary

#99A4BA

#B99D98

#B3B998

Tetradic

#99A4BA

#B998B3

#B9AE98

#98B99D

Monochromatic

#4A566D

#6A7A9A

#99A4BA

#C5CBD8

#F0F1F5

Rectangle

#99A4BA

#AE98B9

#B9AE98

#A3B998

Compound

#99A4BA

#9D98B9

#B9AE98

#B3B998

Variations

Lighter

#ACB5C7

#C3C8D3

#DDDFE5

Darker

#6F7F9F

#495670

#2A3242

Saturation

#A3A7AD

#98A3B9

#7597DC

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

2.51:1

Fail

vs Black

8.37:1

AAA

Deuteranopia

#99A4BA

#9CA3BB

Original → Simulated

Protanopia

#99A4BA

#A2A2B7

Original → Simulated

Tritanopia

#99A4BA

#97A8A5

Original → Simulated

Color Psychology

Focused · Cooling

Zen Blue 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

#B2A8A7

Warm Bulb 2700K

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

#99A4BA

Daylight 5500K

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

#9FADCB

Cool Bulb 6500K

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

Pairs With

#EAEAEB

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.

#AB9873

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: #99A4BA;

CSS — background

background-color: #99A4BA;

CSS Variable

--color-zen-blue: #99A4BA;

Tailwind v3 — config

colors: { 'zen-blue': '#99A4BA' }

Tailwind — arbitrary

bg-[#99A4BA] text-[#99A4BA]

SCSS

$zen-blue: #99A4BA;

Similar Colors

Dreamy

#9AA1B9 · ΔE 2.0

Citadel

#93A6BE · ΔE 2.9

Yukon Sky

#A0A6B6 · ΔE 3.8

Blue Pearl

#93A0BD · ΔE 4.2

Heather Field

#A6A6BD · ΔE 4.2

Comet

#97A2AE · ΔE 5.6

Freesia

#A7B1CC · ΔE 5.7

Denim Wash

#85A0B6 · ΔE 6.0

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 #99A4BA?

#99A4BA is Zen Blue, a soft blue with a cool undertone.

Is #99A4BA warm or cool?

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

What rooms work best with Zen Blue?

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

What colors pair well with Zen Blue?

Zen Blue 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 Zen Blue?

You can download Zen 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 Zen Blue?

The hex code is #99A4BA. In RGB it's 153, 164, 186, and in HSL it's 220°, 19%, 66%.

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