#01040b

Color #01040b

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 3.13 Nearest Tailwind class gray-950 #030712 · ΔE 2.2

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

Conversions

HEX

#01040b

RGB

rgb(1, 4, 11)

HSL

hsl(222, 83.3%, 2.4%)

HSV / HSB

hsv(222, 90.9%, 4.3%)

CMYK

cmyk(90.9%, 63.6%, 0%, 95.7%)

LAB

lab(1.06, 0.19, -2.94)

LCH

lch(1.06, 2.95, 273.7)

OKLCH

oklch(10.6%, 0.0234, 254.36)

HWB

hwb(222, 0.4%, 95.7%)

Harmony colors

Complementary

#0b0801

Analogous

#01090b

#01040b

#03010b

Triadic

#01040b

#0b0104

#040b01

Split-complementary

#01040b

#0b0301

#090b01

Tetradic

#01040b

#08010b

#0b0801

#040b01

Square

#01040b

#0b0109

#0b0801

#010b03

Shades

Color #01040b mixed toward black.

#010309

#010307

#010206

#000104

#000102

Tints

Color #01040b mixed toward white.

#082057

#0f3ba3

#1b59ea

#6790f1

#b3c8f8

Tones

Color #01040b mixed toward gray.

#02040a

#03050a

#040509

#040508

#050607

Accessibility

Aa White text on this color

20.52:1

Aa Black text on this color

1.02:1

White text reads better on this background (20.52:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#020209 · ΔE 1.2

Deuteranopia

#020209 · ΔE 1.2

Tritanopia

#010808 · ΔE 3.6

Achromatopsia

#040404 · ΔE 2.8

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

Code

CSS

background-color: #01040b;

Tailwind (arbitrary value)

bg-[#01040b]

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

#01040b (#01040b) is rgb(1, 4, 11) in RGB.

No, #01040b 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 #01040b, or check how it holds up for accessibility.

Generate a palette → Check contrast