#040209

Color #040209

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 2.99 Nearest Tailwind class mauve-950 #0c090c · ΔE 1.9

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Conversions

HEX

#040209

RGB

rgb(4, 2, 9)

HSL

hsl(257.1, 63.6%, 2.2%)

HSV / HSB

hsv(257.1, 77.8%, 3.5%)

CMYK

cmyk(55.6%, 77.8%, 0%, 96.5%)

LAB

lab(0.8, 1.5, -2.46)

LCH

lch(0.8, 2.88, 301.37)

OKLCH

oklch(9.9%, 0.0253, 299.41)

HWB

hwb(257.1, 0.8%, 96.5%)

Harmony colors

Complementary

#070902

Analogous

#020409

#040209

#080209

Triadic

#040209

#090402

#020904

Split-complementary

#040209

#090802

#040902

Tetradic

#040209

#090207

#070902

#020904

Square

#040209

#090204

#070902

#020908

Shades

Color #040209 mixed toward black.

#030208

#030106

#020105

#010103

#010002

Tints

Color #040209 mixed toward white.

#22114d

#402091

#6033d2

#9577e1

#cabbf0

Tones

Color #040209 mixed toward gray.

#040309

#050308

#050407

#050506

Accessibility

Aa White text on this color

20.63:1

Aa Black text on this color

1.02:1

White text reads better on this background (20.63:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#030307 · ΔE 1.5

Deuteranopia

#030307 · ΔE 1.5

Tritanopia

#040606 · ΔE 3.6

Achromatopsia

#030303 · ΔE 3.1

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #040209;

Tailwind (arbitrary value)

bg-[#040209]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#040209 (#040209) is rgb(4, 2, 9) in RGB.

No, #040209 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #040209, or check how it holds up for accessibility.

Generate a palette → Check contrast