BLUES

Celestial Blue

#BBCBE1

RGB 187, 203, 225 · HSL 215°, 39%, 81% · CMYK 17, 10, 0, 12

Celestial Blue is #BBCBE1 in HEX — rgb(187, 203, 225), hsl(215°, 39%, 81%), cmyk(17%, 10%, 0%, 12%).

Celestial Blue pulls into the airy end of the blues spectrum — HSL 215°, 39%, 81%. 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#BBCBE1

RGB187, 203, 225

HSL215°, 39%, 81%

HSV215°, 17%, 88%

CMYK17, 10, 0, 12

Decimal12307425

CSS RGBrgb(187, 203, 225)

CSS HSLhsl(215, 39%, 81%)

Paint Matches — this color across 16 brands

Valspar

Celestial Blue 4003-5C

Exact match

Dulux

Penna S40E1

ΔE 0.9 · #B9C9E0

Behr

Silverado Trail 620E-3

ΔE 1 · #B8CADF

Benjamin Moore

Blue 821 · CC-850

ΔE 1.2 · #BBCCE0

Dutch Boy

Simply Sparkling DCP-0594

ΔE 1.5 · #BCCEE6

Kilz

Blues Scale RC240-02

ΔE 2.1 · #B8CDE1

Sherwin-Williams

Hyacinth Tint SW6968

ΔE 2.4 · #C2CBE0

PPG

Blue Opal 10-17 · 1166-3

ΔE 2.7 · #BBC6D9

Vista Paint

Modern Blue C-607

ΔE 2.7 · #BBD1E8

Hallman-Lindsay

Modern Blue 608

ΔE 3 · #BAD1E9

Dunn-Edwards

Afternoon Sky DE5877

ΔE 3.3 · #B0C6DF

IKEA

IKEA052 52

ΔE 3.8 · #B3C4D5

Colorhouse

Dream .03 Dream-03

ΔE 5.1 · #B4CBD9

Farrow & Ball

Lulworth Blue 89

ΔE 8.2 · #A1B8CA

RAL

Agate Grey 7038

ΔE 13 · #C3C3C3

Kobra

Silver 47

ΔE 13.2 · #CDCECD

Light Reflectance & Undertone

Light Reflectance Value (LRV)

59/100

Light

0 · DarkLight · 100

Reflects plenty of light and keeps spaces feeling open and airy while still showing clear colour. A safe, flexible choice for living areas.

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

#BBCBE1

#E1D2BC

Analogous

#BCDEE1

#BBCBE1

#BFBCE1

Triadic

#BBCBE1

#E1BCCB

#CBE1BC

Split-Complementary

#BBCBE1

#E1BFBC

#DEE1BC

Tetradic

#BBCBE1

#E1BCDE

#E1D2BC

#BCE1BF

Monochromatic

#517AB3

#86A3CA

#BBCBE1

#EDF1F7

Rectangle

#BBCBE1

#D2BCE1

#E1D2BC

#CBE1BC

Compound

#BBCBE1

#BFBCE1

#E1D2BC

#DEE1BC

Variations

Lighter

#C9D6E7

#D8E0EC

#E9EDF3

Darker

#809FCA

#4169A2

#243D60

Saturation

#C9CED4

#BCCBE1

#ADC9F0

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

1.65:1

Fail

vs Black

12.74:1

AAA

Deuteranopia

#BBCBE1

#C1C8E2

Original → Simulated

Protanopia

#BBCBE1

#C8C8DE

Original → Simulated

Tritanopia

#BBCBE1

#B9CECC

Original → Simulated

Color Psychology

Focused · Cooling

Celestial 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

#CCC5C4

Warm Bulb 2700K

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

#BBCBE1

Daylight 5500K

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

#B9CAE8

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.

#CAB495

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: #BBCBE1;

CSS — background

background-color: #BBCBE1;

CSS Variable

--color-celestial-blue: #BBCBE1;

Tailwind v3 — config

colors: { 'celestial-blue': '#BBCBE1' }

Tailwind — arbitrary

bg-[#BBCBE1] text-[#BBCBE1]

SCSS

$celestial-blue: #BBCBE1;

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#BACBDF · ΔE 1.1

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#B4C5D7 · ΔE 3.2

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#BDC5DC · ΔE 3.2

Spring Flowers

#C5CCDF · ΔE 3.5

English Hyacinth

#C8D0E3 · ΔE 3.8

Windmill Wings

#BCD2ED · ΔE 3.8

Ice Sculpture

#C7D5E4 · ΔE 5.2

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#C0D7E8 · ΔE 5.2

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 #BBCBE1?

#BBCBE1 is Celestial Blue, a soft blue with a cool undertone.

Is #BBCBE1 warm or cool?

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

What rooms work best with Celestial Blue?

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

What colors pair well with Celestial Blue?

Celestial 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 Celestial Blue?

You can download Celestial 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 Celestial Blue?

The hex code is #BBCBE1. In RGB it's 187, 203, 225, and in HSL it's 215°, 39%, 81%.

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