BLUES

Casting Sea

#458AC7

RGB 69, 138, 199 · HSL 208°, 54%, 53% · CMYK 65, 31, 0, 22

Casting Sea is #458AC7 in HEX — rgb(69, 138, 199), hsl(208°, 54%, 53%), cmyk(65%, 31%, 0%, 22%).

Casting Sea pulls into the mid-tone end of the blues spectrum — HSL 208°, 54%, 53%. 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.

Color Codes

HEX#458AC7

RGB69, 138, 199

HSL208°, 54%, 53%

HSV208°, 65%, 78%

CMYK65, 31, 0, 22

Decimal4557511

CSS RGBrgb(69, 138, 199)

CSS HSLhsl(208, 54%, 53%)

Paint Matches — this color across 16 brands

Dulux

Casting Sea S39H5

Exact match

Valspar

Star Gazer 4008-8B

ΔE 2.8 · #508BC4

PPG

King Triton 1242-5

ΔE 3.2 · #3C85BE

RAL

Light Blue 5012

ΔE 3.3 · #3B83BD

Dunn-Edwards

Safe Harbor DE5865

ΔE 5 · #4A87CB

Behr

Come Sail Away MQ4-26

ΔE 5.1 · #5890C6

Vista Paint

Breathtaking Blue K-130

ΔE 6.1 · #569AD7

Benjamin Moore

Blue 2067-40

ΔE 6.7 · #638AC7

Kilz

Aspiration RH190

ΔE 7.1 · #217AB4

Hallman-Lindsay

Bashful Blue 611

ΔE 7.2 · #6994CF

Kobra

Blue 29

ΔE 9.7 · #1882B4

IKEA

IKEA128 128

ΔE 10.9 · #4A72B0

Sherwin-Williams

Dynamic Blue SW6958

ΔE 11.4 · #0192C6

Farrow & Ball

Cook's Blue 237

ΔE 15.4 · #6A90B4

Dutch Boy

Blue Sea VS-9451

ΔE 20.1 · #2D61AD

Colorhouse

Petal .05 Petal-05

ΔE 28.9 · #1F4992

Light Reflectance & Undertone

Light Reflectance Value (LRV)

24/100

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.

Color Theory

Complementary

#458AC7

#C88346

Analogous

#46C8C4

#458AC7

#464BC8

Triadic

#458AC7

#C8468B

#8BC846

Split-Complementary

#458AC7

#C8464B

#C8C446

Tetradic

#458AC7

#C446C8

#C88346

#4BC846

Monochromatic

#1B3D5A

#2D6495

#458AC7

#81B0D9

#BCD5EB

Rectangle

#458AC7

#8346C8

#C88346

#8BC846

Compound

#458AC7

#464BC8

#C88346

#C8C446

Variations

Lighter

#6BA3D3

#96B9D8

#C5D6E5

Darker

#2F70A9

#1E4D76

#102D46

Saturation

#74889B

#468BC8

#2B8DE3

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

3.68:1

AA Large

vs Black

5.71:1

Deuteranopia

#458AC7

#6280C8

Original → Simulated

Protanopia

#458AC7

#8181C0

Original → Simulated

Tritanopia

#458AC7

#38958C

Original → Simulated

Color Psychology

Focused · Cooling

Casting Sea 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

#7394B0

Warm Bulb 2700K

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

#458AC7

Daylight 5500K

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

#6099D5

Cool Bulb 6500K

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

Pairs With

#E9EBED

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.

#A86F3E

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 · 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.

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: #458AC7;

CSS — background

background-color: #458AC7;

CSS Variable

--color-casting-sea: #458AC7;

Tailwind v3 — config

colors: { 'casting-sea': '#458AC7' }

Tailwind — arbitrary

bg-[#458AC7] text-[#458AC7]

SCSS

$casting-sea: #458AC7;

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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 #458AC7?

#458AC7 is Casting Sea, a mid-tone blue with a cool undertone.

Is #458AC7 warm or cool?

Casting Sea reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Casting Sea?

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

What colors pair well with Casting Sea?

Casting Sea 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 Casting Sea?

You can download Casting Sea 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 Casting Sea?

The hex code is #458AC7. In RGB it's 69, 138, 199, and in HSL it's 208°, 54%, 53%.

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