BLUES

Cool Dusk

#73B3C0

RGB 115, 179, 192 · HSL 190°, 38%, 60% · CMYK 40, 7, 0, 25

Cool Dusk is #73B3C0 in HEX — rgb(115, 179, 192), hsl(190°, 38%, 60%), cmyk(40%, 7%, 0%, 25%).

Cool Dusk pulls into the light end of the blues spectrum — HSL 190°, 38%, 60%. 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#73B3C0

RGB115, 179, 192

HSL190°, 38%, 60%

HSV190°, 40%, 75%

CMYK40, 7, 0, 25

Decimal7582656

CSS RGBrgb(115, 179, 192)

CSS HSLhsl(190, 38%, 60%)

Paint Matches — this color across 16 brands

Behr

Cool Dusk 550F-4

Exact match

Dulux

Water Music S32D3

ΔE 1.4 · #6EB2BE

Valspar

Sea Serenade 5002-8A

ΔE 1.4 · #75B3C2

Benjamin Moore

Bayville 747

ΔE 1.6 · #72AFBC

Dunn-Edwards

Watson Lake DE5766

ΔE 2.3 · #74AEBA

Sherwin-Williams

Nautilus SW6780

ΔE 2.5 · #71B8C7

Kilz

Water Oasis RF180-02

ΔE 3.4 · #74B1B8

Vista Paint

Turquoise Trick K-211

ΔE 5.4 · #7FB0B6

PPG

Crystal Lake 1151-4

ΔE 6.1 · #88B5C4

Hallman-Lindsay

Trisha's Eyes 666

ΔE 6.9 · #8EB9C4

Dutch Boy

Sky Blue D-6742

ΔE 7.3 · #7AC2D8

RAL

Pastel Turquoise 6034

ΔE 7.5 · #7FB5B5

Kobra

Blue 27

ΔE 7.7 · #87C8D7

IKEA

IKEA084 84

ΔE 10 · #83AAC1

Farrow & Ball

Blue Ground 210

ΔE 12.4 · #A1C5C8

Colorhouse

Dream .04 Dream-04

ΔE 12.9 · #9CC7C4

Light Reflectance & Undertone

Light Reflectance Value (LRV)

40/100

Medium

0 · DarkLight · 100

Balanced reflectance — holds colour without washing out. Versatile for most rooms and the most forgiving range for true-to-chip results.

Undertone

TemperatureCool MasstoneTeal UndertoneGreen

Reads as a cool teal with a green undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#73B3C0

#C07F72

Analogous

#72C0A6

#73B3C0

#728CC0

Triadic

#73B3C0

#C072B3

#B3C072

Split-Complementary

#73B3C0

#C0728C

#C0A672

Tetradic

#73B3C0

#A672C0

#C07F72

#8CC072

Monochromatic

#2F606A

#47909E

#73B3C0

#A7CFD7

#DCECEF

Rectangle

#73B3C0

#7F72C0

#C07F72

#B3C072

Compound

#73B3C0

#728CC0

#C07F72

#C0A672

Variations

Lighter

#8EC2CC

#AECFD6

#D2E2E5

Darker

#4A9BAB

#316C77

#1C3F46

Saturation

#8DA1A5

#72B3C0

#53C8DF

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

2.35:1

Fail

vs Black

8.94:1

AAA

Deuteranopia

#73B3C0

#99A2C2

Original → Simulated

Protanopia

#73B3C0

#AAAABE

Original → Simulated

Tritanopia

#73B3C0

#74B4B1

Original → Simulated

Color Psychology

Focused · Cooling

Cool Dusk 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

#96B3AB

Warm Bulb 2700K

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

#73B3C0

Daylight 5500K

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

#83B8CF

Cool Bulb 6500K

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

Pairs With

#E9ECEC

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F8F8

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#AA675A

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: #73B3C0;

CSS — background

background-color: #73B3C0;

CSS Variable

--color-cool-dusk: #73B3C0;

Tailwind v3 — config

colors: { 'cool-dusk': '#73B3C0' }

Tailwind — arbitrary

bg-[#73B3C0] text-[#73B3C0]

SCSS

$cool-dusk: #73B3C0;

Similar Colors

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#71AEBB · ΔE 1.9

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#80C0CF · ΔE 4.9

Heavenly Peace

#86BECB · ΔE 5.0

Peacock Feathers

#88BDC8 · ΔE 5.2

Turquoise Powder

#87C0D1 · ΔE 6.1

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#85C1C8 · ΔE 6.2

Spa Day

#5EA3B1 · 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 #73B3C0?

#73B3C0 is Cool Dusk, a soft blue with a cool undertone.

Is #73B3C0 warm or cool?

Cool Dusk reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Cool Dusk?

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

What colors pair well with Cool Dusk?

Cool Dusk 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 Cool Dusk?

You can download Cool Dusk 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 Cool Dusk?

The hex code is #73B3C0. In RGB it's 115, 179, 192, and in HSL it's 190°, 38%, 60%.

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