#040a10

Color #040a10

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 4.15 Nearest Tailwind class mist-950 #090b0c · ΔE 2.4

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Conversions

HEX

#040a10

RGB

rgb(4, 10, 16)

HSL

hsl(210, 60%, 3.9%)

HSV / HSB

hsv(210, 75%, 6.3%)

CMYK

cmyk(75%, 37.5%, 0%, 93.7%)

LAB

lab(2.53, -0.59, -3.23)

LCH

lch(2.53, 3.28, 259.65)

OKLCH

oklch(14%, 0.0178, 243.29)

HWB

hwb(210, 1.6%, 93.7%)

Harmony colors

Complementary

#100a04

Analogous

#041010

#040a10

#040410

Triadic

#040a10

#10040a

#0a1004

Split-complementary

#040a10

#100404

#101004

Tetradic

#040a10

#0a0410

#100a04

#0a1004

Square

#040a10

#100410

#100a04

#041004

Shades

Color #040a10 mixed toward black.

#03080d

#03070b

#020508

#010305

#010203

Tints

Color #040a10 mixed toward white.

#143351

#255c93

#3b84ce

#7cadde

#bed6ef

Tones

Color #040a10 mixed toward gray.

#050a0f

#060a0e

#070a0d

#080a0c

#090a0b

Accessibility

Aa White text on this color

19.89:1

Aa Black text on this color

1.06:1

White text reads better on this background (19.89:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#07070f · ΔE 2.6

Deuteranopia

#06060e · ΔE 2.6

Tritanopia

#040e0d · ΔE 4.1

Achromatopsia

#090909 · ΔE 3.1

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

Code

CSS

background-color: #040a10;

Tailwind (arbitrary value)

bg-[#040a10]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#040a10 (#040a10) is rgb(4, 10, 16) in RGB.

No, #040a10 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.

Try it → Generators

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 #040a10, or check how it holds up for accessibility.

Generate a palette → Check contrast