BLUES

Columbia Blue

#9BDDFF

RGB 155, 221, 255 · HSL 200°, 100%, 80% · CMYK 39, 13, 0, 0

Columbia Blue is #9BDDFF in HEX — rgb(155, 221, 255), hsl(200°, 100%, 80%), cmyk(39%, 13%, 0%, 0%).

Columbia Blue pulls into the airy end of the blues spectrum — HSL 200°, 100%, 80%. The saturated saturation makes it bold and immediate, 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#9BDDFF

RGB155, 221, 255

HSL200°, 100%, 80%

HSV200°, 39%, 100%

CMYK39, 13, 0, 0

Decimal10214911

CSS RGBrgb(155, 221, 255)

CSS HSLhsl(200, 100%, 80%)

Paint Matches — this color across 16 brands

Behr

Toile Blue P520-3

ΔE 1.2 · #99DAFD

Benjamin Moore

Honolulu 2066-60

ΔE 5 · #A4D7F3

Dulux

Jockey SP2H8

ΔE 5.4 · #A4D8F2

Dunn-Edwards

Below Zero DE5835

ΔE 6.1 · #87CDED

PPG

Songbird 1240-3

ΔE 7.3 · #A3D1EB

Valspar

Sonic Sky 4008-9B

ΔE 7.4 · #AAD7EF

Hallman-Lindsay

Marzena Dream 637

ΔE 7.8 · #A6D0EC

Kilz

Casual Blue RD230-01

ΔE 8.4 · #A6D7EB

Vista Paint

Sky Watch K-149

ΔE 8.5 · #A6D3E9

Sherwin-Williams

Bluebell SW6793

ΔE 9.3 · #A2D5E7

IKEA

IKEA085 85

ΔE 12.3 · #9FC1DF

Dutch Boy

Sky Blue D-6742

ΔE 12.3 · #7AC2D8

Kobra

Blue 27

ΔE 12.9 · #87C8D7

Colorhouse

Dream .03 Dream-03

ΔE 16.2 · #B4CBD9

Farrow & Ball

Lulworth Blue 89

ΔE 18.1 · #A1B8CA

RAL

Pastel Turquoise 6034

ΔE 23.5 · #7FB5B5

Light Reflectance & Undertone

Light Reflectance Value (LRV)

66/100

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

#9BDDFF

#FFBB99

Analogous

#99FFEE

#9BDDFF

#99AAFF

Triadic

#9BDDFF

#FF99DD

#DDFF99

Split-Complementary

#9BDDFF

#FF99AA

#FFEE99

Tetradic

#9BDDFF

#EE99FF

#FFBB99

#AAFF99

Monochromatic

#00AAFF

#4DC3FF

#9BDDFF

#E5F6FF

Rectangle

#9BDDFF

#BB99FF

#FFBB99

#DDFF99

Compound

#9BDDFF

#99AAFF

#FFBB99

#FFEE99

Variations

Lighter

#ADE4FF

#C6E9FA

#E1F1FA

Darker

#47C2FF

#0096E0

#005783

Saturation

#BDD1DB

#99DDFF

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

1.48:1

Fail

vs Black

14.18:1

AAA

Deuteranopia

#9BDDFF

#BDCDFF

Original → Simulated

Protanopia

#9BDDFF

#D4D4FB

Original → Simulated

Tritanopia

#9BDDFF

#99E2DC

Original → Simulated

Color Psychology

Focused · Cooling

Columbia 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

#B4D2DA

Warm Bulb 2700K

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

#9BDDFF

Daylight 5500K

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

#A1D7FF

Cool Bulb 6500K

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

Pairs With

#E7ECEE

Trim

Matched off-white

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

#F7F8F8

Ceiling

Whisper tint

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

#EF986C

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 · 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 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: #9BDDFF;

CSS — background

background-color: #9BDDFF;

CSS Variable

--color-columbia-blue: #9BDDFF;

Tailwind v3 — config

colors: { 'columbia-blue': '#9BDDFF' }

Tailwind — arbitrary

bg-[#9BDDFF] text-[#9BDDFF]

SCSS

$columbia-blue: #9BDDFF;

Similar Colors

Honolulu Blue

#A3D6F2 · ΔE 5.1

Caribbean Coast

#A3D4F0 · ΔE 5.8

Bluebelle

#A8D5EF · ΔE 7.0

Grandma's Sweater

#94CCE7 · ΔE 7.1

Highland Breeze

#A4D4EC · ΔE 7.2

Turquoise Haze

#A9DBEF · ΔE 8.1

Crisp Morning Air

#9BCEE5 · ΔE 8.2

Splash

#AADCEE · ΔE 9.1

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 #9BDDFF?

#9BDDFF is Columbia Blue, a soft blue with a cool undertone.

Is #9BDDFF warm or cool?

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

What rooms work best with Columbia Blue?

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

What colors pair well with Columbia Blue?

Columbia 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 Columbia Blue?

You can download Columbia 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 Columbia Blue?

The hex code is #9BDDFF. In RGB it's 155, 221, 255, and in HSL it's 200°, 100%, 80%.

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