BLUES

Indigo Ink

#3B4354

RGB 59, 67, 84 · HSL 221°, 17%, 28% · CMYK 30, 20, 0, 67

Indigo Ink is #3B4354 in HEX — rgb(59, 67, 84), hsl(221°, 17%, 28%), cmyk(30%, 20%, 0%, 67%).

Indigo Ink pulls into the deep end of the blues spectrum — HSL 221°, 17%, 28%. 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.

HEX#3B4354
RGB59, 67, 84
HSL221°, 17%, 28%
HSV221°, 30%, 33%
CMYK30, 20, 0, 67
Decimal3883860
CSS RGBrgb(59, 67, 84)
CSS HSLhsl(221, 17%, 28%)

Behr

Indigo InkHDC-CL-26A

Exact match

Dulux

Marshal BlueS41C8

ΔE 1 · #3E4455

Vista Paint

Grand GrapeK-80

ΔE 2.4 · #3B465A

Benjamin Moore

BlackberryCC-962

ΔE 2.6 · #404251

Sherwin-Williams

Charcoal BlueSW2739

ΔE 3.3 · #3D4450

Dunn-Edwards

Parisian NightDEA184

ΔE 3.4 · #3F4855

Valspar

Blue Coal4011-3

ΔE 3.7 · #414450

Hallman-Lindsay

China Asterhistoric-china-aster

ΔE 4.4 · #444C60

PPG

Black Flame1043-7

ΔE 4.5 · #484B5A

Kilz

Prussian BlueRD100-02

ΔE 5 · #444D5A

Kobra

Blue31

ΔE 5.6 · #334059

RAL

Slate Grey7015

ΔE 5.7 · #434750

Farrow & Ball

Hague Blue30

ΔE 7.6 · #3D4E57

IKEA

IKEA163163

ΔE 7.9 · #423A45

Colorhouse

Wool .06Wool-06

ΔE 9.6 · #485761

Dutch Boy

Seal of GreyVS-9301

ΔE 14.2 · #575757

Light Reflectance Value (LRV)

6/100

Very Dark

0 · DarkLight · 100

Absorbs almost all light — dramatic and cocooning. Needs strong artificial lighting and works best as an accent or in well-lit rooms.

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.

Complementary

#3B4354
#544C3B

Analogous

#3B4F54
#3B4354
#403B54

Triadic

#3B4354
#543B43
#43543B

Split-Complementary

#3B4354
#54403B
#4F543B

Tetradic

#3B4354
#543B4F
#544C3B
#3B5440

Monochromatic

#0B0C0F
#1C1F27
#3B4354
#5B6780
#828DA6

Rectangle

#3B4354
#4C3B54
#544C3B
#43543B

Compound

#3B4354
#403B54
#544C3B
#4F543B

Shades and tints of Indigo Ink run from a pale tint down to a deep shade — same hue and saturation, lightness stepped. Each rung below shows its exact HEX code; tap any to copy it.

Tint #EDEFF2
Tint #BCC2CF
Tint #8B95AC
Tint #5E6A85
Base #3B4354
Shade #333948
Shade #2A303C
Shade #222630
Shade #191D24

Lighter

#5A657F
#818BA1
#B7BCC6

Darker

#2F3543
#20252F
#12151B

Saturation

#44464B
#3B4354
#1E3871

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

Aa

vs White

9.92:1

AAA

Aa

vs Black

2.12:1

Fail

Deuteranopia

#3B4354
#3C4254

Original → Simulated

Protanopia

#3B4354
#424252

Original → Simulated

Tritanopia

#3B4354
#394644

Original → Simulated

Focused · Cooling

Indigo Ink 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
#6C5F5A

Warm Bulb 2700K

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

#3B4354

Daylight 5500K

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

#59647E

Cool Bulb 6500K

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

#EAEAEB

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.

#4C422E

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.

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.

You'll need

4.0 litres

1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.

CSS — color
color: #3B4354;
CSS — background
background-color: #3B4354;
CSS Variable
--color-indigo-ink: #3B4354;
Tailwind v3 — config
colors: { 'indigo-ink': '#3B4354' }
Tailwind — arbitrary
bg-[#3B4354] text-[#3B4354]
SCSS
$indigo-ink: #3B4354;
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.

What color is #3B4354?

#3B4354 is Indigo Ink, a deep blue with a cool undertone.

Is #3B4354 warm or cool?

Indigo Ink reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Indigo Ink?

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

What colors pair well with Indigo Ink?

Indigo Ink 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 Indigo Ink?

You can download Indigo Ink 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 Indigo Ink?

The hex code is #3B4354. In RGB it's 59, 67, 84, and in HSL it's 221°, 17%, 28%.

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