BLUES

Guilliman Blue

#6495ED

RGB 100, 149, 237 · HSL 219°, 79%, 66% · CMYK 58, 37, 0, 7

Guilliman Blue is #6495ED in HEX — rgb(100, 149, 237), hsl(219°, 79%, 66%), cmyk(58%, 37%, 0%, 7%).

Guilliman Blue pulls into the light end of the blues spectrum — HSL 219°, 79%, 66%. 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#6495ED

RGB100, 149, 237

HSL219°, 79%, 66%

HSV219°, 58%, 93%

CMYK58, 37, 0, 7

Decimal6591981

CSS RGBrgb(100, 149, 237)

CSS HSLhsl(219, 79%, 66%)

Paint Matches — this color across 16 brands

Behr

Purple Hyacinth 590B-5

ΔE 4.1 · #669FF6

Dunn-Edwards

Safe Harbor DE5865

ΔE 13.3 · #4A87CB

PPG

Blue Dart 1243-5

ΔE 13.8 · #518FD1

Benjamin Moore

Blue 2067-40

ΔE 15.5 · #638AC7

Hallman-Lindsay

Parkwater 612

ΔE 15.7 · #477BBD

Vista Paint

Parkwater C-611

ΔE 15.9 · #4B79BB

Dulux

Mykonos S39H6

ΔE 17.4 · #387EBE

Valspar

Violet Twist 4004-8B

ΔE 18.3 · #7687C0

IKEA

IKEA128 128

ΔE 19.1 · #4A72B0

RAL

Sky Blue 5015

ΔE 19.7 · #2271B3

Dutch Boy

Blue Sea VS-9451

ΔE 20.8 · #2D61AD

Kilz

Aspiration RH190

ΔE 22.4 · #217AB4

Kobra

Violet 25

ΔE 23.6 · #776BAB

Sherwin-Williams

Gentian SW6817

ΔE 24.2 · #6572A5

Farrow & Ball

Cook's Blue 237

ΔE 29.6 · #6A90B4

Colorhouse

Petal .05 Petal-05

ΔE 30.4 · #1F4992

Light Reflectance & Undertone

Light Reflectance Value (LRV)

30/100

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 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

#6495ED

#EDBD64

Analogous

#64D8ED

#6495ED

#7864ED

Triadic

#6495ED

#ED6494

#94ED64

Split-Complementary

#6495ED

#ED7864

#D8ED64

Tetradic

#6495ED

#ED64D8

#EDBD64

#64ED78

Monochromatic

#1346A4

#1F64E5

#6495ED

#A8C3F5

#E8EFFC

Rectangle

#6495ED

#BD64ED

#EDBD64

#94ED64

Compound

#6495ED

#7864ED

#EDBD64

#D8ED64

Variations

Lighter

#83A9F0

#A8C1EE

#D0DCF1

Darker

#2369EA

#0C44AD

#052767

Saturation

#94A2BD

#6494ED

#5B91F6

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

2.97:1

Fail

vs Black

7.06:1

AAA

Deuteranopia

#6495ED

#6A93EE

Original → Simulated

Protanopia

#6495ED

#8E8EE4

Original → Simulated

Tritanopia

#6495ED

#54A79A

Original → Simulated

Color Psychology

Focused · Cooling

Guilliman 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

How it looks under different light

#8A9CCD

Warm Bulb 2700K

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

#6495ED

Daylight 5500K

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

#78A1F1

Cool Bulb 6500K

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

Pairs With

#E8EAEE

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.

#DAA644

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: #6495ED;

CSS — background

background-color: #6495ED;

CSS Variable

--color-guilliman-blue: #6495ED;

Tailwind v3 — config

colors: { 'guilliman-blue': '#6495ED' }

Tailwind — arbitrary

bg-[#6495ED] text-[#6495ED]

SCSS

$guilliman-blue: #6495ED;

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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 #6495ED?

#6495ED is Guilliman Blue, a soft blue with a cool undertone.

Is #6495ED warm or cool?

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

What rooms work best with Guilliman Blue?

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

What colors pair well with Guilliman Blue?

Guilliman 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 Guilliman Blue?

You can download Guilliman 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 Guilliman Blue?

The hex code is #6495ED. In RGB it's 100, 149, 237, and in HSL it's 219°, 79%, 66%.

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