#04012b

Color #04012b

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 27.01 Nearest Tailwind class slate-900 #0f172b · ΔE 7.6

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

Conversions

HEX

#04012b

RGB

rgb(4, 1, 43)

HSL

hsl(244.3, 95.5%, 8.6%)

HSV / HSB

hsv(244.3, 97.7%, 16.9%)

CMYK

cmyk(90.7%, 97.7%, 0%, 83.1%)

LAB

lab(2, 11.71, -24.26)

LCH

lch(2, 26.94, 295.77)

OKLCH

oklch(14%, 0.0845, 273.32)

HWB

hwb(244.3, 0.4%, 83.1%)

Harmony colors

Complementary

#282b01

Analogous

#01132b

#04012b

#19012b

Triadic

#04012b

#2b0401

#012b04

Split-complementary

#04012b

#2b1901

#132b01

Tetradic

#04012b

#2b0128

#282b01

#012b04

Square

#04012b

#2b0113

#282b01

#012b19

Shades

Color #04012b mixed toward black.

#030124

#03011d

#020015

#01000e

#010007

Tints

Color #04012b mixed toward white.

#0b0377

#1204c3

#2b1bfa

#7267fc

#b8b3fd

Tones

Color #04012b mixed toward gray.

#070427

#0a0824

#0d0b20

#100f1d

#131219

Accessibility

Aa White text on this color

20.11:1

Aa Black text on this color

1.04:1

White text reads better on this background (20.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#030325 · ΔE 2.8

Deuteranopia

#030323 · ΔE 3.6

Tritanopia

#041f1e · ΔE 23.6

Achromatopsia

#070707 · ΔE 17.8

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

Code

CSS

background-color: #04012b;

Tailwind (arbitrary value)

bg-[#04012b]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#04012b (#04012b) is rgb(4, 1, 43) in RGB.

No, #04012b 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 #04012b, or check how it holds up for accessibility.

Generate a palette → Check contrast