BLUES

Warm Blue

#4B57DB

RGB 75, 87, 219 · HSL 235°, 67%, 58% · CMYK 66, 60, 0, 14

Warm Blue is #4B57DB in HEX — rgb(75, 87, 219), hsl(235°, 67%, 58%), cmyk(66%, 60%, 0%, 14%).

Warm Blue pulls into the mid-tone end of the blues spectrum — HSL 235°, 67%, 58%. 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.

HEX#4B57DB
RGB75, 87, 219
HSL235°, 67%, 58%
HSV235°, 66%, 86%
CMYK66, 60, 0, 14
Decimal4937691
CSS RGBrgb(75, 87, 219)
CSS HSLhsl(235, 67%, 58%)

Behr

Pandora 630B-7

ΔE 3.3 · #5A59DA

Dutch Boy

Blue Royale VS-9550

ΔE 30.7 · #243F90

Colorhouse

Petal .05 Petal-05

ΔE 36 · #1F4992

PPG

Crushed Velvet 1245-7

ΔE 37.6 · #445397

Dunn-Edwards

Bellflower DE5908

ΔE 38.3 · #5D66AA

Vista Paint

Medieval C-1262

ΔE 38.4 · #686AAE

Hallman-Lindsay

Medieval 1263

ΔE 39.4 · #696DB0

Benjamin Moore

Big 2066-30

ΔE 39.6 · #0167B2

Dulux

Purple Geisha SB8G7

ΔE 40.4 · #54518F

Kobra

Violet 25

ΔE 40.7 · #776BAB

RAL

Signal Blue 5005

ΔE 41.4 · #1E2D6E

Valspar

Twinkle Night 4004-8C

ΔE 43.1 · #5A65A1

IKEA

IKEA128 128

ΔE 45.2 · #4A72B0

Kilz

Superstition RH250

ΔE 47 · #604C7F

Sherwin-Williams

Morning Glory SW6971

ΔE 47.6 · #3C4C80

Farrow & Ball

Pitch Blue 220

ΔE 59.6 · #636E8F

Light Reflectance Value (LRV)

13/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

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.

Complementary

#4B57DB
#DCD04C

Analogous

#4CA0DC
#4B57DB
#884CDC

Triadic

#4B57DB
#DC4C58
#58DC4C

Split-Complementary

#4B57DB
#DC884C
#A0DC4C

Tetradic

#4B57DB
#DC4CA0
#DCD04C
#4CDC88

Monochromatic

#182077
#2430B7
#4B57DB
#8C94E8
#CCCFF5

Rectangle

#4B57DB
#D04CDC
#DCD04C
#58DC4C

Compound

#4B57DB
#884CDC
#DCD04C
#A0DC4C

Lighter

#7079E3
#9AA0E3
#C8CBEB

Darker

#2331CA
#151F8D
#0B1154

Saturation

#7E82A9
#4C58DC
#3A49ED

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

Aa

vs White

5.70:1

AA

Aa

vs Black

3.69:1

AA Large

Deuteranopia

#4B57DB
#0069DB

Original → Simulated

Protanopia

#4B57DB
#5555D0

Original → Simulated

Tritanopia

#4B57DB
#297965

Original → Simulated

Focused · Cooling

Warm 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
#786EBF

Warm Bulb 2700K

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

#4B57DB

Daylight 5500K

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

#6573E4

Cool Bulb 6500K

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

#E8E9ED

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.

#C5B936

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.

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 · Trim · Soft 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 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.

You'll need

4.0 litres

1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.

CSS — color
color: #4B57DB;
CSS — background
background-color: #4B57DB;
CSS Variable
--color-warm-blue: #4B57DB;
Tailwind v3 — config
colors: { 'warm-blue': '#4B57DB' }
Tailwind — arbitrary
bg-[#4B57DB] text-[#4B57DB]
SCSS
$warm-blue: #4B57DB;
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.

What color is #4B57DB?

#4B57DB is Warm Blue, a mid-tone blue with a cool undertone.

Is #4B57DB warm or cool?

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

What rooms work best with Warm Blue?

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

What colors pair well with Warm Blue?

Warm 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 Warm Blue?

You can download Warm 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 Warm Blue?

The hex code is #4B57DB. In RGB it's 75, 87, 219, and in HSL it's 235°, 67%, 58%.

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