BLUES

Midnight Sea

#565B8D

RGB 86, 91, 141 · HSL 235°, 24%, 45% · CMYK 39, 35, 0, 45

Midnight Sea is #565B8D in HEX — rgb(86, 91, 141), hsl(235°, 24%, 45%), cmyk(39%, 35%, 0%, 45%).

Midnight Sea pulls into the mid-tone end of the blues spectrum — HSL 235°, 24%, 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#565B8D

RGB86, 91, 141

HSL235°, 24%, 45%

HSV235°, 39%, 55%

CMYK39, 35, 0, 45

Decimal5659533

CSS RGBrgb(86, 91, 141)

CSS HSLhsl(235, 24%, 45%)

Paint Matches — this color across 16 brands

Benjamin Moore

Bistro 1421

ΔE 0.8 · #54598B

Dulux

Berry Mix S42F7

ΔE 1.3 · #555C90

Behr

Enchanted Evening 640F-6

ΔE 2.6 · #515E90

Kilz

Grape Beginnings RB130-02

ΔE 2.6 · #586194

Hallman-Lindsay

Fresh Take 1278

ΔE 3.9 · #505B93

Valspar

Indigo 4003-8C

ΔE 4.1 · #586392

Vista Paint

Fresh Take C-1277

ΔE 4.4 · #515992

PPG

Roman Violet 1170-7

ΔE 4.6 · #4D517F

Sherwin-Williams

Fully Purple SW6983

ΔE 6.5 · #514C7E

Dunn-Edwards

Dive In DE5895

ΔE 8.2 · #3C4D85

RAL

Brillant Blue 5007

ΔE 9.9 · #3E5F8A

Kobra

Violet 25

ΔE 12.6 · #776BAB

IKEA

IKEA128 128

ΔE 13.2 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 13.2 · #636E8F

Dutch Boy

Blue Sea VS-9451

ΔE 17.5 · #2D61AD

Colorhouse

Petal .05 Petal-05

ΔE 18.2 · #1F4992

Light Reflectance & Undertone

Light Reflectance Value (LRV)

11/100

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

#565B8D

#8E8A57

Analogous

#57778E

#565B8D

#6E578E

Triadic

#565B8D

#8E575C

#5C8E57

Split-Complementary

#565B8D

#8E6E57

#778E57

Tetradic

#565B8D

#8E5777

#8E8A57

#578E6E

Monochromatic

#1D1F2F

#3A3D5F

#565B8D

#8185B1

#B0B3CF

Rectangle

#565B8D

#8A578E

#8E8A57

#5C8E57

Compound

#565B8D

#6E578E

#8E8A57

#778E57

Variations

Lighter

#7478AA

#9A9DBC

#C6C7D6

Darker

#454973

#2E3150

#1B1C2F

Saturation

#6A6C7B

#575C8E

#2C37BA

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

6.41:1

vs Black

3.28:1

AA Large

Deuteranopia

#565B8D

#4E5F8D

Original → Simulated

Protanopia

#565B8D

#5A5A88

Original → Simulated

Tritanopia

#565B8D

#50655F

Original → Simulated

Color Psychology

Focused · Cooling

Midnight Sea 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

#807185

Warm Bulb 2700K

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

#565B8D

Daylight 5500K

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

#6D76A9

Cool Bulb 6500K

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

Pairs With

#EAEAEB

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.

#7A7649

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: #565B8D;

CSS — background

background-color: #565B8D;

CSS Variable

--color-midnight-sea: #565B8D;

Tailwind v3 — config

colors: { 'midnight-sea': '#565B8D' }

Tailwind — arbitrary

bg-[#565B8D] text-[#565B8D]

SCSS

$midnight-sea: #565B8D;

Similar Colors

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#53588A · ΔE 1.2

Fancy Pants

#53618F · ΔE 4.5

Mauve Bauhaus

#5E5384 · ΔE 5.8

Southern Belle

#41548C · ΔE 6.4

Seduction

#6C598D · ΔE 8.5

Blueberry Hill

#335183 · ΔE 8.8

Your Majesty

#635083 · ΔE 8.8

Scandinavian Blue

#4E4E8C · ΔE 9.5

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 #565B8D?

#565B8D is Midnight Sea, a mid-tone blue with a cool undertone.

Is #565B8D warm or cool?

Midnight Sea reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Midnight Sea?

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

What colors pair well with Midnight Sea?

Midnight Sea 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 Midnight Sea?

You can download Midnight Sea 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 Midnight Sea?

The hex code is #565B8D. In RGB it's 86, 91, 141, and in HSL it's 235°, 24%, 45%.

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