#040307

Color #040307

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 1.9 Nearest Tailwind class mauve-950 #0c090c · ΔE 1.3

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

Conversions

HEX

#040307

RGB

rgb(4, 3, 7)

HSL

hsl(255, 40%, 2%)

HSV / HSB

hsv(255, 57.1%, 2.7%)

CMYK

cmyk(42.9%, 57.1%, 0%, 97.3%)

LAB

lab(0.96, 0.82, -1.42)

LCH

lch(0.96, 1.64, 300)

OKLCH

oklch(10.3%, 0.0147, 297.61)

HWB

hwb(255, 1.2%, 97.3%)

Harmony colors

Complementary

#060703

Analogous

#030407

#040307

#060307

Triadic

#040307

#070403

#030704

Split-complementary

#040307

#070603

#040703

Tetradic

#040307

#070306

#060703

#030704

Square

#040307

#070304

#060703

#030706

Shades

Color #040307 mixed toward black.

#030306

#030205

#020204

#010102

#010101

Tints

Color #040307 mixed toward white.

#251c41

#47357c

#6950b4

#9b8acd

#cdc5e6

Tones

Color #040307 mixed toward gray.

#040307

#040406

#050406

#050505

Accessibility

Aa White text on this color

20.56:1

Aa Black text on this color

1.02:1

White text reads better on this background (20.56:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#040406 · ΔE 1

Deuteranopia

#040406 · ΔE 1

Tritanopia

#040505 · ΔE 2

Achromatopsia

#040404 · ΔE 1.8

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

Code

CSS

background-color: #040307;

Tailwind (arbitrary value)

bg-[#040307]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#040307 (#040307) is rgb(4, 3, 7) in RGB.

No, #040307 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 #040307, or check how it holds up for accessibility.

Generate a palette → Check contrast