#00040a

Color #00040a

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 2.82 Nearest Tailwind class zinc-950 #09090b · ΔE 2.1

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#00040a

RGB

rgb(0, 4, 10)

HSL

hsl(216, 100%, 2%)

HSV / HSB

hsv(216, 100%, 3.9%)

CMYK

cmyk(100%, 60%, 0%, 96.1%)

LAB

lab(0.98, -0.21, -2.64)

LCH

lch(0.98, 2.65, 265.45)

OKLCH

oklch(10.2%, 0.0244, 242.18)

HWB

hwb(216, 0%, 96.1%)

Harmony colors

Complementary

#0a0600

Analogous

#00090a

#00040a

#01000a

Triadic

#00040a

#0a0004

#040a00

Split-complementary

#00040a

#0a0100

#090a00

Tetradic

#00040a

#06000a

#0a0600

#040a00

Square

#00040a

#0a0009

#0a0600

#000a01

Shades

Color #00040a mixed toward black.

#000308

#000307

#000205

#000103

#000102

Tints

Color #00040a mixed toward white.

#00255e

#0047b1

#0569ff

#589bff

#accdff

Tones

Color #00040a mixed toward gray.

#010409

#020409

#030508

#030507

#040506

Accessibility

Aa White text on this color

20.55:1

Aa Black text on this color

1.02:1

White text reads better on this background (20.55:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#020209 · ΔE 1.7

Deuteranopia

#020108 · ΔE 2.1

Tritanopia

#000707 · ΔE 3

Achromatopsia

#040404 · ΔE 2.5

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

Code

CSS

background-color: #00040a;

Tailwind (arbitrary value)

bg-[#00040a]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#00040a (#00040a) is rgb(0, 4, 10) in RGB.

No, #00040a 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.

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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 #00040a, or check how it holds up for accessibility.

Generate a palette → Check contrast