GREENS

Blue Chill

#408F90

RGB 64, 143, 144 · HSL 181°, 38%, 41% · CMYK 56, 1, 0, 44

Blue Chill is #408F90 in HEX — rgb(64, 143, 144), hsl(181°, 38%, 41%), cmyk(56%, 1%, 0%, 44%).

Blue Chill pulls into the rich end of the greens spectrum — HSL 181°, 38%, 41%. The muted saturation makes it quiet but present, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, libraries — for grounding, restorative spaces. Reads best alongside soft white walls, oak floors, brass, warm clay accents.

Color Codes

HEX#408F90

RGB64, 143, 144

HSL181°, 38%, 41%

HSV181°, 56%, 56%

CMYK56, 1, 0, 44

Decimal4231056

CSS RGBrgb(64, 143, 144)

CSS HSLhsl(181, 38%, 41%)

Paint Matches — this color across 16 brands

Dulux

Aqueous S30E6

ΔE 2.7 · #389095

Kilz

French Blue RF280-02

ΔE 3.1 · #4C928F

Valspar

Dreamy Teal 5007-8B

ΔE 3.7 · #4E9795

Dunn-Edwards

Deep Lagoon DE5740

ΔE 4.1 · #2B888D

Behr

Taos Turquoise HDC-FL13-12

ΔE 4.1 · #2B8C8B

Vista Paint

Tropical Teal K-225

ΔE 4.3 · #3C8583

Hallman-Lindsay

Atmosphere 689

ΔE 4.4 · #3A8483

RAL

Turquoise Blue 5018

ΔE 4.8 · #3F888F

Benjamin Moore

Soft 671

ΔE 4.9 · #409894

PPG

Jericho Jade 1142-6

ΔE 6.6 · #4D8681

Sherwin-Williams

Cloudburst SW6487

ΔE 6.7 · #5C9598

Farrow & Ball

Vardo 288

ΔE 8.1 · #427E83

IKEA

IKEA118 118

ΔE 10.1 · #317983

Colorhouse

Dream .05 Dream-05

ΔE 11.1 · #18887C

Kobra

Green 41

ΔE 12.7 · #009185

Dutch Boy

Ocean Blue D-6743

ΔE 19.5 · #4C6A74

Light Reflectance & Undertone

Light Reflectance Value (LRV)

23/100

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 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

#408F90

#904241

Analogous

#41906A

#408F90

#416790

Triadic

#408F90

#90418F

#8F9041

Split-Complementary

#408F90

#904167

#906A41

Tetradic

#408F90

#6A4190

#904241

#679041

Monochromatic

#112627

#295B5B

#408F90

#64B8B9

#99D0D1

Rectangle

#408F90

#424190

#904241

#8F9041

Compound

#408F90

#416790

#904241

#906A41

Variations

Lighter

#59B3B4

#88C1C2

#BCD8D8

Darker

#327475

#215152

#133030

Saturation

#5D7474

#418F90

#20AEB1

Interior Use

Best Rooms

bedrooms, bathrooms, libraries

Best Uses

main walls, cabinetry, soft furniture

Pairs With

soft white walls, oak floors, brass, warm clay accents

Accessibility (WCAG)

vs White

3.78:1

AA Large

vs Black

5.55:1

Deuteranopia

#408F90

#757B92

Original → Simulated

Protanopia

#408F90

#868690

Original → Simulated

Tritanopia

#408F90

#448E8C

Original → Simulated

Color Psychology

Calm · Restorative

Blue Chill sits in the part of the spectrum the eye relaxes into. Designers reach for green when a room needs to feel like a refuge — bedrooms, libraries, bathrooms — because it lowers visual blood-pressure without flattening the space.

SymbolismGrowth, balance, nature

PersonalitySteady, grounded, thoughtful

calmnaturerestorativebalancebedroomlibrary

How it looks under different light

#6F9887

Warm Bulb 2700K

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

#408F90

Daylight 5500K

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

#5D9DAB

Cool Bulb 6500K

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

Pairs With

#E9ECEC

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.

#763D3C

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: #408F90;

CSS — background

background-color: #408F90;

CSS Variable

--color-blue-chill: #408F90;

Tailwind v3 — config

colors: { 'blue-chill': '#408F90' }

Tailwind — arbitrary

bg-[#408F90] text-[#408F90]

SCSS

$blue-chill: #408F90;

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#3F9793 · ΔE 4.7

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#50939D · ΔE 6.9

San Jose Blue

#2C9BA1 · ΔE 7.1

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#00898A · ΔE 7.3

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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 #408F90?

#408F90 is Blue Chill, a mid-tone green with a cool undertone.

Is #408F90 warm or cool?

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

What rooms work best with Blue Chill?

Blue Chill works well in bedrooms, bathrooms, libraries. Designers typically use it for main walls, cabinetry, soft furniture.

What colors pair well with Blue Chill?

Blue Chill pairs naturally with soft white walls, oak floors, brass, warm clay accents. Its complementary color is also a strong contrast option for accents.

Where can I download Blue Chill?

You can download Blue Chill 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 Blue Chill?

The hex code is #408F90. In RGB it's 64, 143, 144, and in HSL it's 181°, 38%, 41%.

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