BLUES

Mystic River

#BCDCF9

RGB 188, 220, 249 · HSL 209°, 84%, 86% · CMYK 24, 12, 0, 2

Mystic River is #BCDCF9 in HEX — rgb(188, 220, 249), hsl(209°, 84%, 86%), cmyk(24%, 12%, 0%, 2%).

Mystic River pulls into the airy end of the blues spectrum — HSL 209°, 84%, 86%. The saturated saturation makes it bold and immediate, 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#BCDCF9

RGB188, 220, 249

HSL209°, 84%, 86%

HSV209°, 24%, 98%

CMYK24, 12, 0, 2

Decimal12377337

CSS RGBrgb(188, 220, 249)

CSS HSLhsl(209, 84%, 86%)

Paint Matches — this color across 16 brands

Behr

Mystic River 590C-3

Exact match

Dunn-Edwards

Oh Boy! DE5862

ΔE 0.9 · #BBDAF8

Dulux

Island Light Half S39H1H

ΔE 3.2 · #BBD7EF

Valspar

Gentle Wind 4006-9B

ΔE 3.8 · #B7D6ED

Benjamin Moore

Windmill 2067-60

ΔE 4.1 · #BDD3EE

Vista Paint

Young Boy Blue K-133

ΔE 4.7 · #ABD1EE

Hallman-Lindsay

Modern Blue 608

ΔE 5 · #BAD1E9

Kilz

Sea Balm TB-43

ΔE 5.7 · #ACCFE7

Dutch Boy

Simply Sparkling DCP-0594

ΔE 6.5 · #BCCEE6

PPG

Baby Bunting 1243-3

ΔE 6.6 · #ABCAEA

Sherwin-Williams

Something Blue SW6800

ΔE 7.9 · #B0D6E6

IKEA

IKEA049 49

ΔE 8.6 · #D2DCEF

Colorhouse

Dream .03 Dream-03

ΔE 10 · #B4CBD9

Farrow & Ball

Lulworth Blue 89

ΔE 14 · #A1B8CA

Kobra

Blue 27

ΔE 16.1 · #87C8D7

RAL

Light Grey 7035

ΔE 18.1 · #D7D7D7

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

#BCDCF9

#F9DABD

Analogous

#BDF9F8

#BCDCF9

#BDBEF9

Triadic

#BCDCF9

#F9BDDC

#DCF9BD

Split-Complementary

#BCDCF9

#F9BDBE

#F9F8BD

Tetradic

#BCDCF9

#F8BDF9

#F9DABD

#BEF9BD

Monochromatic

#3192ED

#77B7F3

#BCDCF9

#E8F3FD

Rectangle

#BCDCF9

#DABDF9

#F9DABD

#DCF9BD

Compound

#BCDCF9

#BDBEF9

#F9DABD

#F9F8BD

Variations

Lighter

#CAE3FA

#DAEAF9

#EBF3FA

Darker

#69B2F6

#097CE8

#02488A

Saturation

#D2DCE4

#BDDCF9

#BADCFC

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

14.74:1

AAA

Deuteranopia

#BCDCF9

#CAD5FA

Original → Simulated

Protanopia

#BCDCF9

#D7D7F5

Original → Simulated

Tritanopia

#BCDCF9

#BAE0DC

Original → Simulated

Color Psychology

Focused · Cooling

Mystic River 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

#CCD2D6

Warm Bulb 2700K

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

#BCDCF9

Daylight 5500K

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

#BAD7FA

Cool Bulb 6500K

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

Pairs With

#E8EBEE

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.

#EBB989

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: #BCDCF9;

CSS — background

background-color: #BCDCF9;

CSS Variable

--color-mystic-river: #BCDCF9;

Tailwind v3 — config

colors: { 'mystic-river': '#BCDCF9' }

Tailwind — arbitrary

bg-[#BCDCF9] text-[#BCDCF9]

SCSS

$mystic-river: #BCDCF9;

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#BCD2ED · ΔE 4.4

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#A8D5EF · ΔE 5.6

Sapphireberry

#B1D6EA · ΔE 5.8

Caribbean Coast

#A3D4F0 · ΔE 6.5

Little Boy Blue

#ACD5E9 · ΔE 6.7

Honolulu Blue

#A3D6F2 · ΔE 6.7

Jet Stream

#C0D7E8 · ΔE 6.9

Highland Breeze

#A4D4EC · ΔE 7.0

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 #BCDCF9?

#BCDCF9 is Mystic River, a light blue with a cool undertone.

Is #BCDCF9 warm or cool?

Mystic River reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Mystic River?

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

What colors pair well with Mystic River?

Mystic River 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 Mystic River?

You can download Mystic River 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 Mystic River?

The hex code is #BCDCF9. In RGB it's 188, 220, 249, and in HSL it's 209°, 84%, 86%.

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