BLUES

Serene Sky

#C3E3EB

RGB 195, 227, 235 · HSL 192°, 50%, 84% · CMYK 17, 3, 0, 8

Serene Sky is #C3E3EB in HEX — rgb(195, 227, 235), hsl(192°, 50%, 84%), cmyk(17%, 3%, 0%, 8%).

Serene Sky pulls into the airy end of the blues spectrum — HSL 192°, 50%, 84%. The balanced saturation makes it confident without overpowering, 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#C3E3EB

RGB195, 227, 235

HSL192°, 50%, 84%

HSV192°, 17%, 92%

CMYK17, 3, 0, 8

Decimal12837867

CSS RGBrgb(195, 227, 235)

CSS HSLhsl(192, 50%, 84%)

Paint Matches — this color across 16 brands

Kilz

Cotton Clouds RD210-01

ΔE 0.6 · #C2E3EC

PPG

Surf's Up 1236-3

ΔE 0.9 · #C6E4EB

Benjamin Moore

Blue 771

ΔE 1 · #C1E0E8

Vista Paint

Simply Heaven K-174

ΔE 1.2 · #C5E6ED

IKEA

IKEA048 48

ΔE 1.3 · #C2E4EA

Sherwin-Williams

Aviary Blue SW6778

ΔE 1.8 · #C6E3E8

Hallman-Lindsay

Kyoto 657

ΔE 1.8 · #BEE3EA

Dulux

Blue Glint Quarter S33D1Q

ΔE 1.9 · #BCE0E8

Behr

Eminence 550E-2

ΔE 2 · #C4E6EB

Valspar

Out of the Blue 5004-9B

ΔE 2 · #BFE2E7

Dunn-Edwards

Blue Moon DE5764

ΔE 2.3 · #BBDEE5

Colorhouse

Dream .01 Dream-01

ΔE 2.6 · #CAE9EE

Farrow & Ball

Borrowed Light 235

ΔE 9.6 · #D5DBDB

Dutch Boy

Mellow Blue DCP-0468

ΔE 10.3 · #DDE8E2

RAL

Papyrus White 9018

ΔE 11.7 · #D7D7D7

Kobra

Silver 47

ΔE 12.7 · #CDCECD

Light Reflectance & Undertone

Light Reflectance Value (LRV)

73/100

Light

0 · DarkLight · 100

Reflects plenty of light and keeps spaces feeling open and airy while still showing clear colour. A safe, flexible choice for living areas.

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

#C3E3EB

#EBCAC2

Analogous

#C2EBDE

#C3E3EB

#C2CEEB

Triadic

#C3E3EB

#EBC2E2

#E2EBC2

Split-Complementary

#C3E3EB

#EBC2CE

#EBDEC2

Tetradic

#C3E3EB

#DEC2EB

#EBCAC2

#CEEBC2

Monochromatic

#4FADC4

#88C8D7

#C3E3EB

#ECF6F9

Rectangle

#C3E3EB

#CAC2EB

#EBCAC2

#E2EBC2

Compound

#C3E3EB

#C2CEEB

#EBCAC2

#EBDEC2

Variations

Lighter

#CEE8EF

#DCEDF1

#ECF4F6

Darker

#7FC6D7

#359DB7

#1D5C6C

Saturation

#D0DADC

#C2E2EB

#B8E9F5

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

1.35:1

Fail

vs Black

15.51:1

AAA

Deuteranopia

#C3E3EB

#D5DAED

Original → Simulated

Protanopia

#C3E3EB

#DEDEEA

Original → Simulated

Tritanopia

#C3E3EB

#C3E4E2

Original → Simulated

Color Psychology

Focused · Cooling

Serene Sky 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

#D2D7CB

Warm Bulb 2700K

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

#C3E3EB

Daylight 5500K

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

#BFDCF0

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.

#D5A397

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) · Semi-gloss (trim) · Flat (ceiling)

Light tones absorb less light than expected — eggshell adds warmth on walls, semi-gloss gives trim crisp definition against pale walls.

Best Surfaces

Primary walls · Trim · Ceilings · 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; pale colors typically need 2 coats for full opacity.

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: #C3E3EB;

CSS — background

background-color: #C3E3EB;

CSS Variable

--color-serene-sky: #C3E3EB;

Tailwind v3 — config

colors: { 'serene-sky': '#C3E3EB' }

Tailwind — arbitrary

bg-[#C3E3EB] text-[#C3E3EB]

SCSS

$serene-sky: #C3E3EB;

Similar Colors

Blue Allure

#C0DFE7 · ΔE 1.4

Crystal Springs

#C8E6EA · ΔE 2.4

Light Blue

#CAE8F3 · ΔE 2.6

Caribbean Mist

#CDE7F1 · ΔE 3.0

Billowy Down

#CCE8F3 · ΔE 3.0

Mystical Blue

#CCE3EB · ΔE 3.0

Bashful Blue

#C8E6F3 · ΔE 3.1

Tear Drop

#CEEBF3 · ΔE 3.2

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 #C3E3EB?

#C3E3EB is Serene Sky, a soft blue with a cool undertone.

Is #C3E3EB warm or cool?

Serene Sky reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Serene Sky?

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

What colors pair well with Serene Sky?

Serene Sky 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 Serene Sky?

You can download Serene Sky 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 Serene Sky?

The hex code is #C3E3EB. In RGB it's 195, 227, 235, and in HSL it's 192°, 50%, 84%.

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