BLUES

Cold Pack

#0033DD

RGB 0, 51, 221 · HSL 226°, 100%, 43% · CMYK 100, 77, 0, 13

Cold Pack is #0033DD in HEX — rgb(0, 51, 221), hsl(226°, 100%, 43%), cmyk(100%, 77%, 0%, 13%).

Cold Pack pulls into the rich end of the blues spectrum — HSL 226°, 100%, 43%. 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#0033DD

RGB0, 51, 221

HSL226°, 100%, 43%

HSV226°, 100%, 87%

CMYK100, 77, 0, 13

Decimal13277

CSS RGBrgb(0, 51, 221)

CSS HSLhsl(226, 100%, 43%)

Paint Matches — this color across 16 brands

Behr

Canyon Iris P540-7

ΔE 10.4 · #2A3DD6

Dutch Boy

Blue Royale VS-9550

ΔE 52.3 · #243F90

Colorhouse

Petal .05 Petal-05

ΔE 59.1 · #1F4992

RAL

Signal Blue 5005

ΔE 60.8 · #1E2D6E

Vista Paint

Petulant Pat K-64

ΔE 61.9 · #50498A

PPG

Crushed Velvet 1245-7

ΔE 62 · #445397

Hallman-Lindsay

Blue Highlight 613

ΔE 63.4 · #324A8B

Benjamin Moore

Evening 2066-20

ΔE 63.7 · #014F94

Dunn-Edwards

Mardi Gras DE5943

ΔE 64 · #665D9E

Dulux

Purple Geisha SB8G7

ΔE 64.6 · #54518F

Kobra

Violet 25

ΔE 66.4 · #776BAB

Valspar

Rollick 4003-10C

ΔE 68.7 · #745A92

Kilz

Superstition RH250

ΔE 70.3 · #604C7F

Sherwin-Williams

Morning Glory SW6971

ΔE 71.2 · #3C4C80

IKEA

IKEA128 128

ΔE 71.4 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 85.3 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

8/100

Very Dark

0 · DarkLight · 100

Absorbs almost all light — dramatic and cocooning. Needs strong artificial lighting and works best as an accent or in well-lit rooms.

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

#0033DD

#DBA800

Analogous

#00A1DB

#0033DD

#3A00DB

Triadic

#0033DD

#DB0033

#33DB00

Split-Complementary

#0033DD

#DB3A00

#A1DB00

Tetradic

#0033DD

#DB00A1

#DBA800

#00DB3A

Monochromatic

#000F42

#00218F

#0033DD

#295BFF

#7595FF

Rectangle

#0033DD

#A800DB

#DBA800

#33DB00

Compound

#0033DD

#3A00DB

#DBA800

#A1DB00

Variations

Lighter

#164DFF

#5E80F2

#A9B9F0

Darker

#0029AF

#001C79

#001046

Saturation

#4D5C8F

#0033DB

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

8.34:1

AAA

vs Black

2.52:1

Fail

Deuteranopia

#0033DD

#0052DD

Original → Simulated

Protanopia

#0033DD

#2E2ED0

Original → Simulated

Tritanopia

#0033DD

#006A4C

Original → Simulated

Color Psychology

Focused · Cooling

Cold Pack 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

#3F53C1

Warm Bulb 2700K

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

#0033DD

Daylight 5500K

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

#2D58E5

Cool Bulb 6500K

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

Pairs With

#E7E9EE

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.

#A88513

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) · Pearl (trim) · Matte (ceiling)

Eggshell hides imperfections on main walls while keeping the color rich; pearl on trim adds subtle sheen and easier cleaning; flat matte on ceilings prevents glare.

Best Surfaces

Primary walls · Cabinetry · Doors · Mouldings

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 is adequate.

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: #0033DD;

CSS — background

background-color: #0033DD;

CSS Variable

--color-cold-pack: #0033DD;

Tailwind v3 — config

colors: { 'cold-pack': '#0033DD' }

Tailwind — arbitrary

bg-[#0033DD] text-[#0033DD]

SCSS

$cold-pack: #0033DD;

Similar Colors

Warriors Blue

#00498D · ΔE 63.3

Evening Blue

#004E93 · ΔE 63.5

Twilight Blue

#365496 · ΔE 64.3

Scandinavian Blue

#4E4E8C · ΔE 64.4

Big Country Blue

#0066B1 · ΔE 64.6

Mystical Grape

#664B86 · ΔE 65.6

Blue

#233872 · ΔE 66.2

Delphinium

#304C89 · ΔE 66.4

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 #0033DD?

#0033DD is Cold Pack, a mid-tone blue with a cool undertone.

Is #0033DD warm or cool?

Cold Pack reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Cold Pack?

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

What colors pair well with Cold Pack?

Cold Pack 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 Cold Pack?

You can download Cold Pack 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 Cold Pack?

The hex code is #0033DD. In RGB it's 0, 51, 221, and in HSL it's 226°, 100%, 43%.

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