#040e2a

Color #040e2a

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 20.81 Nearest Tailwind class slate-900 #0f172b · ΔE 3.6

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Conversions

HEX

#040e2a

RGB

rgb(4, 14, 42)

HSL

hsl(224.2, 82.6%, 9%)

HSV / HSB

hsv(224.2, 90.5%, 16.5%)

CMYK

cmyk(90.5%, 66.7%, 0%, 83.5%)

LAB

lab(4.58, 5.86, -19.44)

LCH

lch(4.58, 20.3, 286.77)

OKLCH

oklch(17.5%, 0.0596, 264.13)

HWB

hwb(224.2, 1.6%, 83.5%)

Harmony colors

Complementary

#2a2004

Analogous

#04212a

#040e2a

#0d042a

Triadic

#040e2a

#2a040e

#0e2a04

Split-complementary

#040e2a

#2a0d04

#212a04

Tetradic

#040e2a

#20042a

#2a2004

#0e2a04

Square

#040e2a

#2a0421

#2a2004

#042a0d

Shades

Color #040e2a mixed toward black.

#030c23

#03091c

#020715

#01050e

#010207

Tints

Color #040e2a mixed toward white.

#0b2671

#113db7

#2b5eeb

#7293f2

#b8c9f8

Tones

Color #040e2a mixed toward gray.

#070f27

#0a1124

#0d1220

#11141d

#14151a

Accessibility

Aa White text on this color

19.07:1

Aa Black text on this color

1.1:1

White text reads better on this background (19.07:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#090925 · ΔE 2.5

Deuteranopia

#080724 · ΔE 2.8

Tritanopia

#052120 · ΔE 20.4

Achromatopsia

#101010 · ΔE 14.4

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

Code

CSS

background-color: #040e2a;

Tailwind (arbitrary value)

bg-[#040e2a]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#040e2a (#040e2a) is rgb(4, 14, 42) in RGB.

No, #040e2a 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 #040e2a, or check how it holds up for accessibility.

Generate a palette → Check contrast