BLUES

Lost Atlantis

#5F7388

RGB 95, 115, 136 · HSL 211°, 18%, 45% · CMYK 30, 15, 0, 47

Lost Atlantis is #5F7388 in HEX — rgb(95, 115, 136), hsl(211°, 18%, 45%), cmyk(30%, 15%, 0%, 47%).

Lost Atlantis pulls into the mid-tone end of the blues spectrum — HSL 211°, 18%, 45%. 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#5F7388

RGB95, 115, 136

HSL211°, 18%, 45%

HSV211°, 30%, 53%

CMYK30, 15, 0, 47

Decimal6255496

CSS RGBrgb(95, 115, 136)

CSS HSLhsl(211, 18%, 45%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Blue Depths 626

ΔE 1.5 · #5A7187

Vista Paint

Blue Depths C-625

ΔE 1.9 · #596F85

Dulux

Boundless S38D6

ΔE 2.1 · #5B6E84

PPG

Blue Cloud 1164-6

ΔE 2.2 · #627188

Valspar

Thundering Clouds 4005-4B

ΔE 2.2 · #66778D

Behr

Sausalito Port UL240-20

ΔE 3 · #5B6D85

Sherwin-Williams

Distance SW6243

ΔE 3.4 · #5D6F7F

Benjamin Moore

Georgian CC-782

ΔE 4.3 · #547385

Dunn-Edwards

Periscope DE5873

ΔE 5 · #52677B

Kilz

Iron Medallion RD130-02

ΔE 5 · #537181

IKEA

IKEA154 154

ΔE 5.6 · #667480

RAL

Pigeon Blue 5014

ΔE 6.2 · #606E8C

Farrow & Ball

Pitch Blue 220

ΔE 8.3 · #636E8F

Dutch Boy

Ocean Blue D-6743

ΔE 9 · #4C6A74

Colorhouse

Wool .06 Wool-06

ΔE 13.1 · #485761

Kobra

Grey 42

ΔE 14.4 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

16/100

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

#5F7388

#87735E

Analogous

#5E8787

#5F7388

#5F5E87

Triadic

#5F7388

#875E72

#72875E

Split-Complementary

#5F7388

#875F5E

#87875E

Tetradic

#5F7388

#875E87

#87735E

#5E875F

Monochromatic

#1F262D

#3F4C5A

#5F7388

#8798AB

#B4BFCB

Rectangle

#5F7388

#735E87

#87735E

#72875E

Compound

#5F7388

#5F5E87

#87735E

#87875E

Variations

Lighter

#7B8EA3

#9EAAB8

#C8CED4

Darker

#4A5B6D

#333F4C

#1D242C

Saturation

#6D7379

#5E7287

#2F70B6

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

4.89:1

vs Black

4.29:1

AA Large

Deuteranopia

#5F7388

#676F89

Original → Simulated

Protanopia

#5F7388

#707086

Original → Simulated

Tritanopia

#5F7388

#5D7673

Original → Simulated

Color Psychology

Focused · Cooling

Lost Atlantis 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

#878381

Warm Bulb 2700K

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

#5F7388

Daylight 5500K

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

#7488A5

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.

#7A6249

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: #5F7388;

CSS — background

background-color: #5F7388;

CSS Variable

--color-lost-atlantis: #5F7388;

Tailwind v3 — config

colors: { 'lost-atlantis': '#5F7388' }

Tailwind — arbitrary

bg-[#5F7388] text-[#5F7388]

SCSS

$lost-atlantis: #5F7388;

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#537284 · ΔE 4.4

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#5E7480 · ΔE 5.5

Bedford Blue

#4E738C · ΔE 5.6

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#527687 · ΔE 6.0

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#747D92 · ΔE 6.1

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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 #5F7388?

#5F7388 is Lost Atlantis, a mid-tone blue with a cool undertone.

Is #5F7388 warm or cool?

Lost Atlantis reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Lost Atlantis?

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

What colors pair well with Lost Atlantis?

Lost Atlantis 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 Lost Atlantis?

You can download Lost Atlantis 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 Lost Atlantis?

The hex code is #5F7388. In RGB it's 95, 115, 136, and in HSL it's 211°, 18%, 45%.

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