#04030b

Color #04030b

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 3.42 Nearest Tailwind class mauve-950 #0c090c · ΔE 2.1

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Conversions

HEX

#04030b

RGB

rgb(4, 3, 11)

HSL

hsl(247.5, 57.1%, 2.7%)

HSV / HSB

hsv(247.5, 72.7%, 4.3%)

CMYK

cmyk(63.6%, 72.7%, 0%, 95.7%)

LAB

lab(1.04, 1.38, -2.95)

LCH

lch(1.04, 3.26, 295.07)

OKLCH

oklch(10.7%, 0.024, 289.94)

HWB

hwb(247.5, 1.2%, 95.7%)

Harmony colors

Complementary

#0a0b03

Analogous

#03060b

#04030b

#08030b

Triadic

#04030b

#0b0403

#030b04

Split-complementary

#04030b

#0b0803

#060b03

Tetradic

#04030b

#0b030a

#0a0b03

#030b04

Square

#04030b

#0b0306

#0a0b03

#030b08

Shades

Color #04030b mixed toward black.

#030209

#030207

#020105

#010104

#010002

Tints

Color #04030b mixed toward white.

#1c154c

#33268d

#4e3cca

#897ddc

#c4beed

Tones

Color #04030b mixed toward gray.

#04040a

#05040a

#050509

#060608

Accessibility

Aa White text on this color

20.53:1

Aa Black text on this color

1.02:1

White text reads better on this background (20.53:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#040409 · ΔE 1.3

Deuteranopia

#040409 · ΔE 1.3

Tritanopia

#040807 · ΔE 4.6

Achromatopsia

#040404 · ΔE 3.3

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

Code

CSS

background-color: #04030b;

Tailwind (arbitrary value)

bg-[#04030b]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#04030b (#04030b) is rgb(4, 3, 11) in RGB.

No, #04030b 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.

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 #04030b, or check how it holds up for accessibility.

Generate a palette → Check contrast