BLUES

Cathedral Cove

#555C90

RGB 85, 92, 144 · HSL 233°, 26%, 45% · CMYK 41, 36, 0, 44

Cathedral Cove is #555C90 in HEX — rgb(85, 92, 144), hsl(233°, 26%, 45%), cmyk(41%, 36%, 0%, 44%).

Cathedral Cove pulls into the mid-tone end of the blues spectrum — HSL 233°, 26%, 45%. 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#555C90

RGB85, 92, 144

HSL233°, 26%, 45%

HSV233°, 41%, 56%

CMYK41, 36, 0, 44

Decimal5594256

CSS RGBrgb(85, 92, 144)

CSS HSLhsl(233, 26%, 45%)

Paint Matches — this color across 16 brands

Dulux

Berry Mix S42F7

Exact match

Benjamin Moore

Bistro 1421

ΔE 1.7 · #54598B

Kilz

Grape Beginnings RB130-02

ΔE 2.2 · #586194

Behr

New Orleans S570-6

ΔE 2.4 · #5B6197

Hallman-Lindsay

Fresh Take 1278

ΔE 2.7 · #505B93

Vista Paint

Fresh Take C-1277

ΔE 3.4 · #515992

Valspar

Regal 4005-8C

ΔE 4 · #56659A

PPG

Blue Jewel 1167-7

ΔE 5.1 · #465383

Sherwin-Williams

Fully Purple SW6983

ΔE 7.1 · #514C7E

Dunn-Edwards

Dive In DE5895

ΔE 7.8 · #3C4D85

RAL

Brillant Blue 5007

ΔE 10.1 · #3E5F8A

Kobra

Violet 25

ΔE 12 · #776BAB

IKEA

IKEA128 128

ΔE 12.2 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 13.9 · #636E8F

Dutch Boy

Blue Sea VS-9451

ΔE 16.2 · #2D61AD

Colorhouse

Petal .05 Petal-05

ΔE 17.2 · #1F4992

Light Reflectance & Undertone

Light Reflectance Value (LRV)

12/100

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

#555C90

#918A55

Analogous

#557A91

#555C90

#6C5591

Triadic

#555C90

#91555C

#5C9155

Split-Complementary

#555C90

#916C55

#7A9155

Tetradic

#555C90

#91557A

#918A55

#55916C

Monochromatic

#1C1F30

#393D60

#555C90

#7E85B4

#AFB3D0

Rectangle

#555C90

#8A5591

#918A55

#5C9155

Compound

#555C90

#6C5591

#918A55

#7A9155

Variations

Lighter

#7278AC

#989DBD

#C5C7D7

Darker

#434975

#2D3151

#1A1C30

Saturation

#6A6C7C

#555C91

#2A3BBB

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

6.33:1

vs Black

3.32:1

AA Large

Deuteranopia

#555C90

#4D6090

Original → Simulated

Protanopia

#555C90

#5B5B8B

Original → Simulated

Tritanopia

#555C90

#4F6660

Original → Simulated

Color Psychology

Focused · Cooling

Cathedral Cove 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

#7F7287

Warm Bulb 2700K

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

#555C90

Daylight 5500K

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

#6C77AB

Cool Bulb 6500K

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

Pairs With

#EAEAEC

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.

#7A7449

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: #555C90;

CSS — background

background-color: #555C90;

CSS Variable

--color-cathedral-cove: #555C90;

Tailwind v3 — config

colors: { 'cathedral-cove': '#555C90' }

Tailwind — arbitrary

bg-[#555C90] text-[#555C90]

SCSS

$cathedral-cove: #555C90;

Similar Colors

Bistro Blue

#53588A · ΔE 2.0

Fancy Pants

#53618F · ΔE 4.9

Southern Belle

#41548C · ΔE 5.7

Mauve Bauhaus

#5E5384 · ΔE 6.6

Blueberry Hill

#335183 · ΔE 8.7

Seduction

#6C598D · ΔE 8.9

Scandinavian Blue

#4E4E8C · ΔE 8.9

Your Majesty

#635083 · ΔE 9.4

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 #555C90?

#555C90 is Cathedral Cove, a mid-tone blue with a cool undertone.

Is #555C90 warm or cool?

Cathedral Cove reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Cathedral Cove?

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

What colors pair well with Cathedral Cove?

Cathedral Cove 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 Cathedral Cove?

You can download Cathedral Cove 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 Cathedral Cove?

The hex code is #555C90. In RGB it's 85, 92, 144, and in HSL it's 233°, 26%, 45%.

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