BLUES

Scott Base

#66A6C3

RGB 102, 166, 195 · HSL 199°, 44%, 58% · CMYK 48, 15, 0, 24

Scott Base is #66A6C3 in HEX — rgb(102, 166, 195), hsl(199°, 44%, 58%), cmyk(48%, 15%, 0%, 24%).

Scott Base pulls into the mid-tone end of the blues spectrum — HSL 199°, 44%, 58%. 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#66A6C3

RGB102, 166, 195

HSL199°, 44%, 58%

HSV199°, 48%, 76%

CMYK48, 15, 0, 24

Decimal6727363

CSS RGBrgb(102, 166, 195)

CSS HSLhsl(199, 44%, 58%)

Paint Matches — this color across 16 brands

Dulux

Scott Base S35D3

Exact match

Benjamin Moore

Lafayette CW-610

ΔE 1.9 · #6DA7C5

Hallman-Lindsay

Sea Of Atlantis 653

ΔE 3.5 · #6AA1C1

Behr

Treasure Map S500-5

ΔE 3.6 · #59A5C7

Kilz

Vintage Sapphire RD260-02

ΔE 3.6 · #569FBC

Valspar

Rolling Sea 5001-10B

ΔE 3.8 · #5BA3C6

Vista Paint

Sea of Atlantis C-652

ΔE 4.1 · #6BA0C0

Dunn-Edwards

Lake Lucerne DE5808

ΔE 4.2 · #689DB7

Sherwin-Williams

Jacaranda SW6802

ΔE 4.2 · #5A9EC0

PPG

Serene Sea 1158-4

ΔE 4.6 · #78A7C3

Farrow & Ball

St Giles Blue 280

ΔE 6 · #599EC4

IKEA

IKEA084 84

ΔE 7.7 · #83AAC1

Kobra

Blue 28

ΔE 9.5 · #4EB3CD

Dutch Boy

Blue Wings VS-9402

ΔE 10.3 · #8AB1C2

RAL

Pastel Turquoise 6034

ΔE 17.1 · #7FB5B5

Colorhouse

Water .05 Water-05

ΔE 17.4 · #82979D

Light Reflectance & Undertone

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.

Color Theory

Complementary

#66A6C3

#C38365

Analogous

#65C3B2

#66A6C3

#6576C3

Triadic

#66A6C3

#C365A5

#A5C365

Split-Complementary

#66A6C3

#C36576

#C3B265

Tetradic

#66A6C3

#B265C3

#C38365

#76C365

Monochromatic

#285367

#3D7F9E

#66A6C3

#9CC5D8

#D3E5EE

Rectangle

#66A6C3

#8365C3

#C38365

#A5C365

Compound

#66A6C3

#6576C3

#C38365

#C3B265

Variations

Lighter

#84B7CF

#A7C8D7

#CEDEE5

Darker

#408AAD

#2A6079

#173847

Saturation

#8699A2

#65A5C3

#47B0E1

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

2.69:1

Fail

vs Black

7.81:1

AAA

Deuteranopia

#66A6C3

#8997C4

Original → Simulated

Protanopia

#66A6C3

#9D9DC0

Original → Simulated

Tritanopia

#66A6C3

#64AAA5

Original → Simulated

Color Psychology

Focused · Cooling

Scott Base 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

#8CA9AD

Warm Bulb 2700K

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

#66A6C3

Daylight 5500K

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

#79AED2

Cool Bulb 6500K

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

Pairs With

#E9EBEC

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.

#AD6C4F

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: #66A6C3;

CSS — background

background-color: #66A6C3;

CSS Variable

--color-scott-base: #66A6C3;

Tailwind v3 — config

colors: { 'scott-base': '#66A6C3' }

Tailwind — arbitrary

bg-[#66A6C3] text-[#66A6C3]

SCSS

$scott-base: #66A6C3;

Similar Colors

Lafayette Blue

#6CA6C4 · ΔE 1.8

I've Got the Blues

#6AA4BE · ΔE 2.1

Palace Blue

#5D9FB6 · ΔE 4.5

San Francisco Bay

#79A7C5 · ΔE 5.1

Blue Belle Island

#5EABD1 · ΔE 5.6

Tidal Wave

#7CB7D6 · ΔE 6.8

Poolside

#5394B4 · ΔE 7.0

Cool Blue

#419AB7 · ΔE 7.4

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 #66A6C3?

#66A6C3 is Scott Base, a mid-tone blue with a cool undertone.

Is #66A6C3 warm or cool?

Scott Base reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Scott Base?

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

What colors pair well with Scott Base?

Scott Base 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 Scott Base?

You can download Scott Base 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 Scott Base?

The hex code is #66A6C3. In RGB it's 102, 166, 195, and in HSL it's 199°, 44%, 58%.

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