BLUES

Crater Lake

#63797E

RGB 99, 121, 126 · HSL 191°, 12%, 44% · CMYK 21, 4, 0, 51

Crater Lake is #63797E in HEX — rgb(99, 121, 126), hsl(191°, 12%, 44%), cmyk(21%, 4%, 0%, 51%).

Crater Lake pulls into the rich end of the blues spectrum — HSL 191°, 12%, 44%. The neutral saturation makes it near-neutral and forgiving, 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#63797E

RGB99, 121, 126

HSL191°, 12%, 44%

HSV191°, 21%, 49%

CMYK21, 4, 0, 51

Decimal6519166

CSS RGBrgb(99, 121, 126)

CSS HSLhsl(191, 12%, 44%)

Paint Matches — this color across 16 brands

Sherwin-Williams

Mediterranean SW7617

ΔE 1.3 · #60797D

Benjamin Moore

Providence 1636

ΔE 1.4 · #677A80

Behr

Iron Mountain N520-5

ΔE 1.6 · #64777A

PPG

Night Rendezvous 1037-5

ΔE 1.6 · #66787E

Farrow & Ball

De Nimes 299

ΔE 2.1 · #6A7C80

Dulux

Love Pat SG5D5

ΔE 2.3 · #5F7B82

Vista Paint

Portsmouth Blue C-1366

ΔE 3 · #5E7275

Hallman-Lindsay

Paradise City 486

ΔE 3.1 · #5F7475

Kilz

Classic Movie RM120

ΔE 3.1 · #6B7A7C

Dunn-Edwards

Taliesin Blue DEC798

ΔE 4 · #707E84

Valspar

Relaxed Navy 5001-2B

ΔE 4.1 · #647176

Colorhouse

Wool .05 Wool-05

ΔE 5.2 · #587675

IKEA

IKEA154 154

ΔE 5.4 · #667480

RAL

Squirrel Grey 7000

ΔE 6.4 · #78858B

Dutch Boy

Ocean Blue D-6743

ΔE 7.5 · #4C6A74

Kobra

Grey 42

ΔE 11.7 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

18/100

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

#63797E

#7E6863

Analogous

#637E75

#63797E

#636B7E

Triadic

#63797E

#7E6379

#797E63

Split-Complementary

#63797E

#7E636B

#7E7563

Tetradic

#63797E

#75637E

#7E6863

#6B7E63

Monochromatic

#1F2628

#415053

#63797E

#8A9EA3

#B5C2C5

Rectangle

#63797E

#68637E

#7E6863

#797E63

Compound

#63797E

#636B7E

#7E6863

#7E7563

Variations

Lighter

#7F959A

#A1AFB2

#C9D0D1

Darker

#4E6165

#364346

#1F2729

Saturation

#6C7374

#63797E

#3198AF

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

4.60:1

vs Black

4.57:1

Deuteranopia

#63797E

#6F737F

Original → Simulated

Protanopia

#63797E

#76767D

Original → Simulated

Tritanopia

#63797E

#637978

Original → Simulated

Color Psychology

Focused · Cooling

Crater Lake 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

#8A877A

Warm Bulb 2700K

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

#63797E

Daylight 5500K

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

#778C9E

Cool Bulb 6500K

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

Pairs With

#EAEBEB

Trim

Matched off-white

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

#F7F7F7

Ceiling

Whisper tint

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

#775048

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: #63797E;

CSS — background

background-color: #63797E;

CSS Variable

--color-crater-lake: #63797E;

Tailwind v3 — config

colors: { 'crater-lake': '#63797E' }

Tailwind — arbitrary

bg-[#63797E] text-[#63797E]

SCSS

$crater-lake: #63797E;

Similar Colors

Charlotte Slate

#66797F · ΔE 1.3

Hamilton Blue

#5F767F · ΔE 2.6

Steep Cliff Gray

#6E7C7D · ΔE 4.0

Blue Spruce

#607077 · ΔE 4.0

Montpelier

#718087 · ΔE 4.4

Bella Blue

#54747C · ΔE 4.5

Smokestack Gray

#728287 · ΔE 4.6

Thousand Oceans

#5E7480 · ΔE 4.6

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 #63797E?

#63797E is Crater Lake, a mid-tone blue with a cool undertone.

Is #63797E warm or cool?

Crater Lake reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Crater Lake?

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

What colors pair well with Crater Lake?

Crater Lake 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 Crater Lake?

You can download Crater Lake 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 Crater Lake?

The hex code is #63797E. In RGB it's 99, 121, 126, and in HSL it's 191°, 12%, 44%.

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