BLUES

Twinkle Night

#636CA8

RGB 99, 108, 168 · HSL 232°, 28%, 52% · CMYK 41, 36, 0, 34

Twinkle Night is #636CA8 in HEX — rgb(99, 108, 168), hsl(232°, 28%, 52%), cmyk(41%, 36%, 0%, 34%).

Twinkle Night pulls into the mid-tone end of the blues spectrum — HSL 232°, 28%, 52%. 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#636CA8

RGB99, 108, 168

HSL232°, 28%, 52%

HSV232°, 41%, 66%

CMYK41, 36, 0, 34

Decimal6515880

CSS RGBrgb(99, 108, 168)

CSS HSLhsl(232, 28%, 52%)

Paint Matches — this color across 16 brands

Dulux

Prized Bloom S43H7

ΔE 2.5 · #6468A6

Valspar

Twinkle Night 4004-8C

ΔE 3 · #5A65A1

Behr

Purple Statice 650F-5

ΔE 3.3 · #6F71AE

Vista Paint

Regal Azure C-1276

ΔE 3.7 · #6A74AD

Hallman-Lindsay

Regal Azure 1277

ΔE 4.4 · #6A76AF

PPG

King's Robe 1245-6

ΔE 5.2 · #6274AB

Dunn-Edwards

Bellflower DE5908

ΔE 5.5 · #5D66AA

Sherwin-Williams

Gentian SW6817

ΔE 6.1 · #6572A5

Kilz

Grape Beginnings RB130-02

ΔE 6.8 · #586194

Kobra

Violet 25

ΔE 7.4 · #776BAB

Benjamin Moore

Waterdrop CC-902

ΔE 7.7 · #5D7AB4

IKEA

IKEA128 128

ΔE 8.3 · #4A72B0

RAL

Pearl Violet 4011

ΔE 13 · #8673A1

Dutch Boy

Blue Sea VS-9451

ΔE 14 · #2D61AD

Farrow & Ball

Pitch Blue 220

ΔE 16.2 · #636E8F

Colorhouse

Petal .05 Petal-05

ΔE 18.8 · #1F4992

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

#636CA8

#A79E62

Analogous

#628EA7

#636CA8

#7B62A7

Triadic

#636CA8

#A7626B

#6BA762

Split-Complementary

#636CA8

#A77B62

#8EA762

Tetradic

#636CA8

#A7628E

#A79E62

#62A77B

Monochromatic

#282D48

#444B79

#636CA8

#939AC2

#C4C8DE

Rectangle

#636CA8

#9E62A7

#A79E62

#6BA762

Compound

#636CA8

#7B62A7

#A79E62

#8EA762

Variations

Lighter

#8289B8

#A4A9C7

#CCCEDD

Darker

#4B5389

#32385F

#1D2038

Saturation

#7A7D8F

#626BA7

#364BD3

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

4.95:1

vs Black

4.24:1

AA Large

Deuteranopia

#636CA8

#5A70A8

Original → Simulated

Protanopia

#636CA8

#6B6BA2

Original → Simulated

Tritanopia

#636CA8

#5C7870

Original → Simulated

Color Psychology

Focused · Cooling

Twinkle Night 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

#8A7E99

Warm Bulb 2700K

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

#636CA8

Daylight 5500K

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

#7783BD

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.

#8D8555

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: #636CA8;

CSS — background

background-color: #636CA8;

CSS Variable

--color-twinkle-night: #636CA8;

Tailwind v3 — config

colors: { 'twinkle-night': '#636CA8' }

Tailwind — arbitrary

bg-[#636CA8] text-[#636CA8]

SCSS

$twinkle-night: #636CA8;

Similar Colors

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#5C79B3 · ΔE 7.4

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#53588A · ΔE 9.6

Fancy Pants

#53618F · ΔE 9.7

California Lilac

#7F84BE · ΔE 9.9

Watertown

#5B7EB7 · ΔE 9.9

Mosaic

#3862A3 · ΔE 10.0

Southern Belle

#41548C · ΔE 10.9

Seduction

#6C598D · ΔE 11.5

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 #636CA8?

#636CA8 is Twinkle Night, a mid-tone blue with a cool undertone.

Is #636CA8 warm or cool?

Twinkle Night reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Twinkle Night?

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

What colors pair well with Twinkle Night?

Twinkle Night 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 Twinkle Night?

You can download Twinkle Night 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 Twinkle Night?

The hex code is #636CA8. In RGB it's 99, 108, 168, and in HSL it's 232°, 28%, 52%.

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