BLUES

Always Indigo

#66778C

RGB 102, 119, 140 · HSL 213°, 16%, 47% · CMYK 27, 15, 0, 45

Always Indigo is #66778C in HEX — rgb(102, 119, 140), hsl(213°, 16%, 47%), cmyk(27%, 15%, 0%, 45%).

Always Indigo pulls into the mid-tone end of the blues spectrum — HSL 213°, 16%, 47%. 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#66778C

RGB102, 119, 140

HSL213°, 16%, 47%

HSV213°, 27%, 55%

CMYK27, 15, 0, 45

Decimal6715276

CSS RGBrgb(102, 119, 140)

CSS HSLhsl(213, 16%, 47%)

Paint Matches — this color across 16 brands

Valspar

Thundering Clouds 4005-4B

ΔE 0.6 · #66778D

Dulux

Enterprise S37C5

ΔE 1.5 · #65788B

PPG

License To Dream 10-22

ΔE 2.2 · #667486

Hallman-Lindsay

Blue Depths 626

ΔE 3.5 · #5A7187

Behr

Blue Aura PPU16-17

ΔE 3.6 · #6C7387

Vista Paint

Blue Depths C-625

ΔE 3.9 · #596F85

Benjamin Moore

In 1434 · CC-934

ΔE 4.4 · #757E93

Sherwin-Williams

Soulful Blue SW6543

ΔE 4.5 · #757C91

Kilz

North Beach Blue RC140-01

ΔE 4.8 · #70839A

Dunn-Edwards

Lakeville DE5872

ΔE 5.3 · #6C849B

IKEA

IKEA154 154

ΔE 5.5 · #667480

RAL

Pigeon Blue 5014

ΔE 6.5 · #606E8C

Farrow & Ball

Pitch Blue 220

ΔE 8.3 · #636E8F

Dutch Boy

Ocean Blue D-6743

ΔE 10.5 · #4C6A74

Kobra

Grey 42

ΔE 12.7 · #889099

Colorhouse

Wool .05 Wool-05

ΔE 14.5 · #587675

Light Reflectance & Undertone

Light Reflectance Value (LRV)

18/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

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

#66778C

#8B7A65

Analogous

#65898B

#66778C

#67658B

Triadic

#66778C

#8B6576

#768B65

Split-Complementary

#66778C

#8B6765

#898B65

Tetradic

#66778C

#8B6589

#8B7A65

#658B67

Monochromatic

#242B32

#45505F

#66778C

#8F9DAE

#BBC3CE

Rectangle

#66778C

#7A658B

#8B7A65

#768B65

Compound

#66778C

#67658B

#8B7A65

#898B65

Variations

Lighter

#8291A4

#A3ADB9

#CACFD5

Darker

#505E70

#36414E

#1F262D

Saturation

#72777E

#65768B

#3271BD

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

4.58:1

vs Black

4.58:1

Deuteranopia

#66778C

#6C748D

Original → Simulated

Protanopia

#66778C

#747489

Original → Simulated

Tritanopia

#66778C

#647A77

Original → Simulated

Color Psychology

Focused · Cooling

Always Indigo 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

#8C8684

Warm Bulb 2700K

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

#66778C

Daylight 5500K

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

#798BA8

Cool Bulb 6500K

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

Pairs With

#EAEBEB

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.

#7F684C

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 · Doors · Mouldings

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: #66778C;

CSS — background

background-color: #66778C;

CSS Variable

--color-always-indigo: #66778C;

Tailwind v3 — config

colors: { 'always-indigo': '#66778C' }

Tailwind — arbitrary

bg-[#66778C] text-[#66778C]

SCSS

$always-indigo: #66778C;

Similar Colors

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#747D92 · ΔE 4.1

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#627885 · ΔE 5.2

Amethyst Shadow

#6E7182 · ΔE 5.6

Georgian Bay

#537284 · ΔE 6.0

Thousand Oceans

#5E7480 · ΔE 6.1

French Violet

#696D86 · ΔE 6.2

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#5C6A85 · ΔE 6.3

Alfresco

#67818F · ΔE 6.3

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 #66778C?

#66778C is Always Indigo, a mid-tone blue with a cool undertone.

Is #66778C warm or cool?

Always Indigo reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Always Indigo?

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

What colors pair well with Always Indigo?

Always Indigo 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 Always Indigo?

You can download Always Indigo 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 Always Indigo?

The hex code is #66778C. In RGB it's 102, 119, 140, and in HSL it's 213°, 16%, 47%.

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