BLUES

Celestine Spring

#24A4C8

RGB 36, 164, 200 · HSL 193°, 69%, 46% · CMYK 82, 18, 0, 22

Celestine Spring is #24A4C8 in HEX — rgb(36, 164, 200), hsl(193°, 69%, 46%), cmyk(82%, 18%, 0%, 22%).

Celestine Spring pulls into the mid-tone end of the blues spectrum — HSL 193°, 69%, 46%. 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#24A4C8

RGB36, 164, 200

HSL193°, 69%, 46%

HSV193°, 82%, 78%

CMYK82, 18, 0, 22

Decimal2401480

CSS RGBrgb(36, 164, 200)

CSS HSLhsl(193, 69%, 46%)

Paint Matches — this color across 16 brands

Vista Paint

True Sky Blue K-170

ΔE 1.3 · #26A5CB

Benjamin Moore

Yosemite 2059-40

ΔE 1.9 · #18A2C9

Hallman-Lindsay

Charybdis 661

ΔE 2.3 · #16A3CB

Dulux

Skydome S34F3

ΔE 2.3 · #38A8CC

Sherwin-Williams

Major Blue SW6795

ΔE 3 · #289EC4

Behr

Hacienda Blue P490-6

ΔE 3.1 · #28A6C5

Valspar

Fragrant Bouquet 5003-10B

ΔE 4 · #269EBC

Kilz

Overboard RD280-01

ΔE 5.4 · #41A4CD

PPG

Mystic Blue 1237-5

ΔE 5.6 · #48A8D0

Dunn-Edwards

Frozen Wave DE5829

ΔE 7 · #56ACCA

Kobra

Blue 28

ΔE 8.2 · #4EB3CD

Farrow & Ball

St Giles Blue 280

ΔE 10.1 · #599EC4

Dutch Boy

Sky Blue D-6742

ΔE 16.1 · #7AC2D8

IKEA

IKEA084 84

ΔE 18.4 · #83AAC1

RAL

Turquoise Blue 5018

ΔE 19.9 · #3F888F

Colorhouse

Dream .06 Dream-06

ΔE 24.4 · #0E707B

Light Reflectance & Undertone

Light Reflectance Value (LRV)

31/100

Medium

0 · DarkLight · 100

Balanced reflectance — holds colour without washing out. Versatile for most rooms and the most forgiving range for true-to-chip results.

Undertone

TemperatureCool MasstoneTeal UndertoneGreen

Reads as a cool teal with a green undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#24A4C8

#C64724

Analogous

#24C698

#24A4C8

#2452C6

Triadic

#24A4C8

#C624A3

#A3C624

Split-Complementary

#24A4C8

#C62452

#C69824

Tetradic

#24A4C8

#9824C6

#C64724

#52C624

Monochromatic

#0D3945

#196E86

#24A4C8

#57C2E0

#98DAEC

Rectangle

#24A4C8

#4724C6

#C64724

#A3C624

Compound

#24A4C8

#2452C6

#C64724

#C69824

Variations

Lighter

#45BCDD

#7CC8DD

#B8DCE6

Darker

#1A84A2

#105C71

#083643

Saturation

#5D838E

#24A3C6

#12ADD8

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

2.91:1

Fail

vs Black

7.22:1

AAA

Deuteranopia

#24A4C8

#788ECA

Original → Simulated

Protanopia

#24A4C8

#9797C4

Original → Simulated

Tritanopia

#24A4C8

#1CA9A2

Original → Simulated

Color Psychology

Focused · Cooling

Celestine Spring 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

#5AA8B1

Warm Bulb 2700K

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

#24A4C8

Daylight 5500K

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

#48ADD5

Cool Bulb 6500K

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

Pairs With

#E8ECED

Trim

Matched off-white

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

#F7F8F8

Ceiling

Whisper tint

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

#9E4329

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: #24A4C8;

CSS — background

background-color: #24A4C8;

CSS Variable

--color-celestine-spring: #24A4C8;

Tailwind v3 — config

colors: { 'celestine-spring': '#24A4C8' }

Tailwind — arbitrary

bg-[#24A4C8] text-[#24A4C8]

SCSS

$celestine-spring: #24A4C8;

Similar Colors

Yosemite Blue

#17A1C8 · ΔE 2.1

Dream I Can Fly

#1FA0C1 · ΔE 2.3

Toronto Blue

#199FCC · ΔE 5.8

Cool Blue

#419AB7 · ΔE 6.7

Blue Belle Island

#5EABD1 · ΔE 8.9

Atlantis Blue

#54B1C9 · ΔE 9.0

Lake Tahoe

#4298C4 · ΔE 9.7

Electric Blue

#3E90B8 · ΔE 10.6

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 #24A4C8?

#24A4C8 is Celestine Spring, a mid-tone blue with a cool undertone.

Is #24A4C8 warm or cool?

Celestine Spring reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Celestine Spring?

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

What colors pair well with Celestine Spring?

Celestine Spring 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 Celestine Spring?

You can download Celestine Spring 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 Celestine Spring?

The hex code is #24A4C8. In RGB it's 36, 164, 200, and in HSL it's 193°, 69%, 46%.

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