BLUES

Summer Sky

#CBDBE7

RGB 203, 219, 231 · HSL 206°, 37%, 85% · CMYK 12, 5, 0, 9

Summer Sky is #CBDBE7 in HEX — rgb(203, 219, 231), hsl(206°, 37%, 85%), cmyk(12%, 5%, 0%, 9%).

Summer Sky pulls into the airy end of the blues spectrum — HSL 206°, 37%, 85%. 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#CBDBE7

RGB203, 219, 231

HSL206°, 37%, 85%

HSV206°, 12%, 91%

CMYK12, 5, 0, 9

Decimal13360103

CSS RGBrgb(203, 219, 231)

CSS HSLhsl(206, 37%, 85%)

Paint Matches — this color across 16 brands

Vista Paint

Summer Sky K-118

Exact match

Colorhouse

Sprout .03 Sprout-03

ΔE 0.6 · #CCDCE7

Hallman-Lindsay

Simple Serenity 614

ΔE 0.9 · #C8D9E5

Valspar

Blue Raindrop 4005-5A

ΔE 1 · #C8D9E4

Sherwin-Williams

Rhythmic Blue SW6806

ΔE 1.1 · #CCDBE5

PPG

Simply Elegant 10-26 · 1155-3

ΔE 1.3 · #CEDDE7

Kilz

Airy Blue RC230-02

ΔE 1.5 · #CFDEE8

Dulux

Ballet Blue Quarter S39D1Q

ΔE 1.5 · #D0DEE9

IKEA

IKEA050 50

ΔE 1.5 · #C6D7E3

Dunn-Edwards

Snow Lodge DE5799

ΔE 2.2 · #C7D7E0

Benjamin Moore

Misty 820

ΔE 2.4 · #C8D6E5

Behr

Celestial Light MQ3-24

ΔE 2.6 · #C5D8E8

Dutch Boy

Calamities DCP-1315

ΔE 7 · #CDCDD5

Farrow & Ball

Borrowed Light 235

ΔE 7.1 · #D5DBDB

RAL

Papyrus White 9018

ΔE 8.3 · #D7D7D7

Kobra

Silver 47

ΔE 9.3 · #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

#CBDBE7

#E7D7CB

Analogous

#CBE7E5

#CBDBE7

#CBCCE7

Triadic

#CBDBE7

#E7CBDB

#DBE7CB

Split-Complementary

#CBDBE7

#E7CBCC

#E7E5CB

Tetradic

#CBDBE7

#E5CBE7

#E7D7CB

#CCE7CB

Monochromatic

#6292B7

#96B6CF

#CBDBE7

#EEF3F7

Rectangle

#CBDBE7

#D7CBE7

#E7D7CB

#DBE7CB

Compound

#CBDBE7

#CBCCE7

#E7D7CB

#E7E5CB

Variations

Lighter

#D5E2EC

#E1E9EF

#EEF2F5

Darker

#8EB2CD

#477EA8

#284963

Saturation

#D5D9DD

#CBDBE7

#BFDCF3

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

14.83:1

AAA

Deuteranopia

#CBDBE7

#D2D7E8

Original → Simulated

Protanopia

#CBDBE7

#D8D8E5

Original → Simulated

Tritanopia

#CBDBE7

#CADDDB

Original → Simulated

Color Psychology

Focused · Cooling

Summer 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

#D8D1C8

Warm Bulb 2700K

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

#CBDBE7

Daylight 5500K

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

#C5D6ED

Cool Bulb 6500K

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

Pairs With

#E9EBEC

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.

#CEB5A2

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: #CBDBE7;

CSS — background

background-color: #CBDBE7;

CSS Variable

--color-summer-sky: #CBDBE7;

Tailwind v3 — config

colors: { 'summer-sky': '#CBDBE7' }

Tailwind — arbitrary

bg-[#CBDBE7] text-[#CBDBE7]

SCSS

$summer-sky: #CBDBE7;

Similar Colors

Sheer Bliss

#D0DDE5 · ΔE 2.4

Breath of Fresh Air

#C9DDE5 · ΔE 2.6

Ice Sculpture

#C7D5E4 · ΔE 2.6

Soft Sky

#C1D7E4 · ΔE 2.7

Lake Placid

#C5D3DF · ΔE 2.8

Bright and Early

#C3D8E1 · ΔE 2.8

Beacon Gray

#CDD7DE · ΔE 3.4

Whispering Wind

#D5DAE6 · ΔE 3.8

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 #CBDBE7?

#CBDBE7 is Summer Sky, a light blue with a cool undertone.

Is #CBDBE7 warm or cool?

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

What rooms work best with Summer Sky?

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

What colors pair well with Summer Sky?

Summer 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 Summer Sky?

You can download Summer 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 Summer Sky?

The hex code is #CBDBE7. In RGB it's 203, 219, 231, and in HSL it's 206°, 37%, 85%.

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