#04031b

Color #04031b

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 13.41 Nearest Tailwind class slate-950 #020618 · ΔE 3.3

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Conversions

HEX

#04031b

RGB

rgb(4, 3, 27)

HSL

hsl(242.5, 80%, 5.9%)

HSV / HSB

hsv(242.5, 88.9%, 10.6%)

CMYK

cmyk(85.2%, 88.9%, 0%, 89.4%)

LAB

lab(1.54, 4.87, -12.4)

LCH

lch(1.54, 13.32, 291.44)

OKLCH

oklch(12.5%, 0.0546, 278)

HWB

hwb(242.5, 1.2%, 89.4%)

Harmony colors

Complementary

#1a1b03

Analogous

#030e1b

#04031b

#10031b

Triadic

#04031b

#1b0403

#031b04

Split-complementary

#04031b

#1b1003

#0e1b03

Tetradic

#04031b

#1b031a

#1a1b03

#031b04

Square

#04031b

#1b030e

#1a1b03

#031b10

Shades

Color #04031b mixed toward black.

#030317

#030212

#02020e

#010109

#010105

Tints

Color #04031b mixed toward white.

#0f0b63

#1913ab

#2f27e7

#746fef

#bab7f7

Tones

Color #04031b mixed toward gray.

#060519

#080717

#0a0915

#0b0b13

#0d0d11

Accessibility

Aa White text on this color

20.31:1

Aa Black text on this color

1.03:1

White text reads better on this background (20.31:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#040417 · ΔE 2.5

Deuteranopia

#040416 · ΔE 3

Tritanopia

#041312 · ΔE 14.5

Achromatopsia

#060606 · ΔE 10.9

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

Code

CSS

background-color: #04031b;

Tailwind (arbitrary value)

bg-[#04031b]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#04031b (#04031b) is rgb(4, 3, 27) in RGB.

No, #04031b 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 #04031b, or check how it holds up for accessibility.

Generate a palette → Check contrast