BLUES

Mild Blue

#CBD5DB

RGB 203, 213, 219 · HSL 202°, 18%, 83% · CMYK 7, 3, 0, 14

Mild Blue is #CBD5DB in HEX — rgb(203, 213, 219), hsl(202°, 18%, 83%), cmyk(7%, 3%, 0%, 14%).

Mild Blue pulls into the airy end of the blues spectrum — HSL 202°, 18%, 83%. The neutral saturation makes it near-neutral and forgiving, 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#CBD5DB

RGB203, 213, 219

HSL202°, 18%, 83%

HSV202°, 7%, 86%

CMYK7, 3, 0, 14

Decimal13358555

CSS RGBrgb(203, 213, 219)

CSS HSLhsl(202, 18%, 83%)

Paint Matches — this color across 16 brands

Sherwin-Williams

Mild Blue SW6533

Exact match

Behr

Polar Drift PPU14-17

ΔE 0.7 · #CBD4DB

Benjamin Moore

Beacon 2128-60

ΔE 1.2 · #CED8DF

Kilz

Northern Sky TB-42

ΔE 1.2 · #C9D6DD

PPG

Bit Of Heaven 1156-2

ΔE 1.3 · #CAD7DE

Dulux

Heaven Sent Quarter S35A1Q

ΔE 1.3 · #CAD7DE

Dunn-Edwards

Shiny Nickel DE6338

ΔE 1.3 · #CCD3D8

Valspar

Tinsel Beam 4005-3A

ΔE 1.6 · #CAD5DE

Vista Paint

Serene Setting C-621

ΔE 1.7 · #C5D2D9

Hallman-Lindsay

Serene Setting 622

ΔE 1.7 · #C5D2D9

IKEA

IKEA127 127

ΔE 2.3 · #D0D4D8

Colorhouse

Sprout .03 Sprout-03

ΔE 3.9 · #CCDCE7

Farrow & Ball

Borrowed Light 235

ΔE 4.1 · #D5DBDB

Dutch Boy

Calamities DCP-1315

ΔE 4.3 · #CDCDD5

RAL

Telegrey 4 7047

ΔE 4.8 · #D0D0D0

Kobra

Silver 47

ΔE 5.2 · #CDCECD

Light Reflectance & Undertone

Light Reflectance Value (LRV)

65/100

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

#CBD5DB

#DBD2CC

Analogous

#CCDBD9

#CBD5DB

#CCCEDB

Triadic

#CBD5DB

#DBCCD6

#D6DBCC

Split-Complementary

#CBD5DB

#DBCCCE

#DBD9CC

Tetradic

#CBD5DB

#D9CCDB

#DBD2CC

#CEDBCC

Monochromatic

#728D9D

#9FB1BC

#CBD5DB

#F0F3F5

Rectangle

#CBD5DB

#D2CCDB

#DBD2CC

#D6DBCC

Compound

#CBD5DB

#CCCEDB

#DBD2CC

#DBD9CC

Variations

Lighter

#D6DEE3

#E1E6E9

#EEF0F2

Darker

#99AEBA

#5D7B8B

#364752

Saturation

#D1D4D6

#CCD6DB

#BADAED

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

1.49:1

Fail

vs Black

14.08:1

AAA

Deuteranopia

#CBD5DB

#D0D2DC

Original → Simulated

Protanopia

#CBD5DB

#D3D3DA

Original → Simulated

Tritanopia

#CBD5DB

#CBD6D5

Original → Simulated

Color Psychology

Focused · Cooling

Mild Blue 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

#D8CCBF

Warm Bulb 2700K

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

#CBD5DB

Daylight 5500K

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

#C5D1E4

Cool Bulb 6500K

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

Pairs With

#EAEBEB

Trim

Matched off-white

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

#F7F7F7

Ceiling

Whisper tint

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

#C7AFA1

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: #CBD5DB;

CSS — background

background-color: #CBD5DB;

CSS Variable

--color-mild-blue: #CBD5DB;

Tailwind v3 — config

colors: { 'mild-blue': '#CBD5DB' }

Tailwind — arbitrary

bg-[#CBD5DB] text-[#CBD5DB]

SCSS

$mild-blue: #CBD5DB;

Similar Colors

Beacon Gray

#CDD7DE · ΔE 0.9

Silver Mist

#C8D2D6 · ΔE 1.5

Violet Mist

#C9D0D8 · ΔE 2.1

Lavender Wash

#CFD4D7 · ΔE 2.3

Silver Gray

#C4CFD2 · ΔE 2.8

Palace Pearl

#C6D0D2 · ΔE 2.8

Blue Lace

#D0D8D9 · ΔE 2.9

Sheer Bliss

#D0DDE5 · ΔE 3.0

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 #CBD5DB?

#CBD5DB is Mild Blue, a soft blue with a cool undertone.

Is #CBD5DB warm or cool?

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

What rooms work best with Mild Blue?

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

What colors pair well with Mild Blue?

Mild Blue 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 Mild Blue?

You can download Mild Blue 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 Mild Blue?

The hex code is #CBD5DB. In RGB it's 203, 213, 219, and in HSL it's 202°, 18%, 83%.

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