BLUES

Astro Bound

#89A1B9

RGB 137, 161, 185 · HSL 210°, 26%, 63% · CMYK 26, 13, 0, 27

Astro Bound is #89A1B9 in HEX — rgb(137, 161, 185), hsl(210°, 26%, 63%), cmyk(26%, 13%, 0%, 27%).

Astro Bound pulls into the light end of the blues spectrum — HSL 210°, 26%, 63%. 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.

HEX#89A1B9
RGB137, 161, 185
HSL210°, 26%, 63%
HSV210°, 26%, 73%
CMYK26, 13, 0, 27
Decimal9019833
CSS RGBrgb(137, 161, 185)
CSS HSLhsl(210, 26%, 63%)

Dulux

Astro BoundS39C3

Exact match

Behr

SilhouetteN540-4

ΔE 1.2 · #8DA3BA

Benjamin Moore

Denim838 · CC-770

ΔE 1.6 · #86A1B7

Dutch Boy

Celestial HorizonDCP-0589

ΔE 2.5 · #8FA4BF

Hallman-Lindsay

North Sea625

ΔE 2.5 · #859BB1

Dunn-Edwards

DownpourDE5871

ΔE 2.8 · #819AB1

PPG

Kaleidoscope1160-4

ΔE 2.9 · #8DA8BE

Sherwin-Williams

CosmosSW6528

ΔE 3 · #8EA9C2

Valspar

Office Blue4005-6A

ΔE 3.1 · #829DB1

Vista Paint

North SeaC-624

ΔE 3.2 · #8599AF

Kilz

Blue BalladRC250-01

ΔE 3.7 · #90ABC4

IKEA

IKEA08484

ΔE 5.4 · #83AAC1

Farrow & Ball

Lulworth Blue89

ΔE 9.2 · #A1B8CA

RAL

Window Grey7040

ΔE 10.5 · #9DA1AA

Colorhouse

Water .05Water-05

ΔE 10.9 · #82979D

Kobra

Grey42

ΔE 11.2 · #889099

Light Reflectance Value (LRV)

34/100

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.

Complementary

#89A1B9
#B9A188

Analogous

#88B9B9
#89A1B9
#8888B9

Triadic

#89A1B9
#B988A1
#A1B988

Split-Complementary

#89A1B9
#B98888
#B9B988

Tetradic

#89A1B9
#B988B9
#B9A188
#88B988

Monochromatic

#3E546A
#5B7A9A
#89A1B9
#B8C7D5
#E9EDF2

Rectangle

#89A1B9
#A188B9
#B9A188
#A1B988

Compound

#89A1B9
#8888B9
#B9A188
#B9B988

Shades and tints of Astro Bound run from a pale tint down to a deep shade — same hue and saturation, lightness stepped. Each rung below shows its exact HEX code; tap any to copy it.

Tint #ECF0F4
Tint #D3DCE5
Tint #BAC8D6
Tint #A1B4C8
Base #89A1B9
Shade #5F80A1
Shade #476078
Shade #2F3F50
Shade #171F27

Lighter

#A0B4C7
#BAC6D3
#D8DEE4

Darker

#5E81A3
#3F5872
#243343

Saturation

#99A1A8
#88A1B9
#65A1DC

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

Aa

vs White

2.67:1

Fail

Aa

vs Black

7.86:1

AAA

Deuteranopia

#89A1B9
#939CBA

Original → Simulated

Protanopia

#89A1B9
#9D9DB6

Original → Simulated

Tritanopia

#89A1B9
#87A5A1

Original → Simulated

Focused · Cooling

Astro Bound 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
#A6A5A6

Warm Bulb 2700K

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

#89A1B9

Daylight 5500K

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

#93AACA

Cool Bulb 6500K

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

#EAEBEC

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.

#A6896B

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.

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.

You'll need

4.0 litres

1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.

CSS — color
color: #89A1B9;
CSS — background
background-color: #89A1B9;
CSS Variable
--color-astro-bound: #89A1B9;
Tailwind v3 — config
colors: { 'astro-bound': '#89A1B9' }
Tailwind — arbitrary
bg-[#89A1B9] text-[#89A1B9]
SCSS
$astro-bound: #89A1B9;
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.

What color is #89A1B9?

#89A1B9 is Astro Bound, a soft blue with a cool undertone.

Is #89A1B9 warm or cool?

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

What rooms work best with Astro Bound?

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

What colors pair well with Astro Bound?

Astro Bound 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 Astro Bound?

You can download Astro Bound 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 Astro Bound?

The hex code is #89A1B9. In RGB it's 137, 161, 185, and in HSL it's 210°, 26%, 63%.

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