BLUES

Gentle Blue Half

#CDDAEC

RGB 205, 218, 236 · HSL 215°, 45%, 86% · CMYK 13, 8, 0, 7

Gentle Blue Half is #CDDAEC in HEX — rgb(205, 218, 236), hsl(215°, 45%, 86%), cmyk(13%, 8%, 0%, 7%).

Gentle Blue Half pulls into the airy end of the blues spectrum — HSL 215°, 45%, 86%. 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#CDDAEC

RGB205, 218, 236

HSL215°, 45%, 86%

HSV215°, 13%, 93%

CMYK13, 8, 0, 7

Decimal13490924

CSS RGBrgb(205, 218, 236)

CSS HSLhsl(215, 45%, 86%)

Paint Matches — this color across 16 brands

Dulux

Gentle Blue Half S42H1H

Exact match

Valspar

Cool Hue 4005-9B

ΔE 0.6 · #CEDBEC

Kilz

Lavender Lullaby RC210-02

ΔE 0.9 · #CBD8E9

Dunn-Edwards

Alaskan Skies DE5876

ΔE 1 · #CDDCED

Vista Paint

Blue Dawn K-110

ΔE 1.4 · #CAD6E8

IKEA

IKEA049 49

ΔE 1.5 · #D2DCEF

Behr

Naturally Calm 620E-2

ΔE 1.7 · #D2DDED

Benjamin Moore

Ice CC-938

ΔE 2.3 · #C8D6E5

Hallman-Lindsay

Fluid Blue 602

ΔE 2.6 · #C5D6EB

PPG

Blue Booties 1241-2

ΔE 2.8 · #C8DDEE

Sherwin-Williams

Breathtaking SW6814

ΔE 3.2 · #C7D1E2

Colorhouse

Sprout .03 Sprout-03

ΔE 3.9 · #CCDCE7

Dutch Boy

Simply Sparkling DCP-0594

ΔE 5.7 · #BCCEE6

Farrow & Ball

Borrowed Light 235

ΔE 9.7 · #D5DBDB

RAL

Papyrus White 9018

ΔE 10.3 · #D7D7D7

Kobra

Silver 47

ΔE 11.4 · #CDCECD

Light Reflectance & Undertone

Light Reflectance Value (LRV)

69/100

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 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

#CDDAEC

#EBDECB

Analogous

#CBE9EB

#CDDAEC

#CECBEB

Triadic

#CDDAEC

#EBCBD9

#D9EBCB

Split-Complementary

#CDDAEC

#EBCECB

#E9EBCB

Tetradic

#CDDAEC

#EBCBE9

#EBDECB

#CBEBCE

Monochromatic

#5C86C1

#94B0D6

#CDDAEC

#EDF1F8

Rectangle

#CDDAEC

#DECBEB

#EBDECB

#D9EBCB

Compound

#CDDAEC

#CECBEB

#EBDECB

#E9EBCB

Variations

Lighter

#D6E0EF

#E1E8F2

#EFF2F6

Darker

#8AA9D5

#3D6FB4

#22406A

Saturation

#D6DAE0

#CBD9EB

#C1D7F5

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

1.42:1

Fail

vs Black

14.84:1

AAA

Deuteranopia

#CDDAEC

#D2D7ED

Original → Simulated

Protanopia

#CDDAEC

#D8D8EA

Original → Simulated

Tritanopia

#CDDAEC

#CCDDDA

Original → Simulated

Color Psychology

Focused · Cooling

Gentle Blue Half 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

#D9D0CC

Warm Bulb 2700K

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

#CDDAEC

Daylight 5500K

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

#C6D5F0

Cool Bulb 6500K

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

Pairs With

#E9EAEC

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.

#D5BFA0

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: #CDDAEC;

CSS — background

background-color: #CDDAEC;

CSS Variable

--color-gentle-blue-half: #CDDAEC;

Tailwind v3 — config

colors: { 'gentle-blue-half': '#CDDAEC' }

Tailwind — arbitrary

bg-[#CDDAEC] text-[#CDDAEC]

SCSS

$gentle-blue-half: #CDDAEC;

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Ice Sculpture

#C7D5E4 · ΔE 2.5

Celestia Blue

#D0D5E3 · ΔE 3.6

English Hyacinth

#C8D0E3 · ΔE 3.7

Jet Stream

#C0D7E8 · ΔE 3.9

Whispering Wind

#D5DAE6 · ΔE 4.1

Lake Placid

#C5D3DF · ΔE 4.2

Soft Sky

#C1D7E4 · ΔE 4.5

Lavender Secret

#DADDEA · ΔE 4.5

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 #CDDAEC?

#CDDAEC is Gentle Blue Half, a light blue with a cool undertone.

Is #CDDAEC warm or cool?

Gentle Blue Half reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Gentle Blue Half?

Gentle Blue Half works well in bedrooms, bathrooms, home offices. Designers typically use it for main walls, ceilings, trim, cabinetry.

What colors pair well with Gentle Blue Half?

Gentle Blue Half 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 Gentle Blue Half?

You can download Gentle Blue Half 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 Gentle Blue Half?

The hex code is #CDDAEC. In RGB it's 205, 218, 236, and in HSL it's 215°, 45%, 86%.

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