BLUES

Rich Blue

#021BF9

RGB 2, 27, 249 · HSL 234°, 98%, 49% · CMYK 99, 89, 0, 2

Rich Blue is #021BF9 in HEX — rgb(2, 27, 249), hsl(234°, 98%, 49%), cmyk(99%, 89%, 0%, 2%).

Rich Blue pulls into the mid-tone end of the blues spectrum — HSL 234°, 98%, 49%. 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#021BF9

RGB2, 27, 249

HSL234°, 98%, 49%

HSV234°, 99%, 98%

CMYK99, 89, 0, 2

Decimal138233

CSS RGBrgb(2, 27, 249)

CSS HSLhsl(234, 98%, 49%)

Paint Matches — this color across 16 brands

Behr

Canyon Iris P540-7

ΔE 34.5 · #2A3DD6

Dutch Boy

Blue Royale VS-9550

ΔE 76.4 · #243F90

Colorhouse

Petal .05 Petal-05

ΔE 83.4 · #1F4992

RAL

Signal Blue 5005

ΔE 84.4 · #1E2D6E

Vista Paint

Petulant Pat K-64

ΔE 85.5 · #50498A

PPG

Crushed Velvet 1245-7

ΔE 86 · #445397

Dunn-Edwards

Mardi Gras DE5943

ΔE 87.4 · #665D9E

Hallman-Lindsay

Blue Highlight 613

ΔE 87.5 · #324A8B

Benjamin Moore

Evening 2066-20

ΔE 88 · #014F94

Dulux

Purple Geisha SB8G7

ΔE 88.2 · #54518F

Kobra

Violet 25

ΔE 89.4 · #776BAB

Valspar

Sonic Plum 4002-10C

ΔE 91.4 · #815A92

Kilz

Superstition RH250

ΔE 93.5 · #604C7F

Sherwin-Williams

African Violet SW6982

ΔE 94.6 · #665385

IKEA

IKEA128 128

ΔE 95.3 · #4A72B0

Farrow & Ball

Pitch Blue 220

ΔE 108.8 · #636E8F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

8/100

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.

Color Theory

Complementary

#021BF9

#F7DF02

Analogous

#0295F7

#021BF9

#6402F7

Triadic

#021BF9

#F7021B

#1BF702

Split-Complementary

#021BF9

#F76402

#95F702

Tetradic

#021BF9

#F70295

#F7DF02

#02F764

Monochromatic

#010A60

#0213AC

#021BF9

#495BFD

#959FFE

Rectangle

#021BF9

#DF02F7

#F7DF02

#1BF702

Compound

#021BF9

#6402F7

#F7DF02

#95F702

Variations

Lighter

#3145FD

#707DF2

#B2B9F1

Darker

#0014C8

#000E89

#000850

Saturation

#5860A2

#021BF7

#011AF9

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

8.31:1

AAA

vs Black

2.53:1

Fail

Deuteranopia

#021BF9

#0055F9

Original → Simulated

Protanopia

#021BF9

#1818EA

Original → Simulated

Tritanopia

#021BF9

#007049

Original → Simulated

Color Psychology

Focused · Cooling

Rich 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

#4141D6

Warm Bulb 2700K

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

#021BF9

Daylight 5500K

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

#2E46FA

Cool Bulb 6500K

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

Pairs With

#E7E8EE

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.

#BFAE15

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: #021BF9;

CSS — background

background-color: #021BF9;

CSS Variable

--color-rich-blue: #021BF9;

Tailwind v3 — config

colors: { 'rich-blue': '#021BF9' }

Tailwind — arbitrary

bg-[#021BF9] text-[#021BF9]

SCSS

$rich-blue: #021BF9;

Similar Colors

Warriors Blue

#00498D · ΔE 87.6

Evening Blue

#004E93 · ΔE 87.8

Scandinavian Blue

#4E4E8C · ΔE 88.1

Twilight Blue

#365496 · ΔE 88.4

Mystical Grape

#664B86 · ΔE 88.5

Big Country Blue

#0066B1 · ΔE 88.8

Blue

#233872 · ΔE 90.1

Delphinium

#304C89 · ΔE 90.5

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 #021BF9?

#021BF9 is Rich Blue, a mid-tone blue with a cool undertone.

Is #021BF9 warm or cool?

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

What rooms work best with Rich Blue?

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

What colors pair well with Rich Blue?

Rich 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 Rich Blue?

You can download Rich 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 Rich Blue?

The hex code is #021BF9. In RGB it's 2, 27, 249, and in HSL it's 234°, 98%, 49%.

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