#00001b

Color #00001b

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 14.55 Nearest Tailwind class slate-950 #020618 · ΔE 3.8

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Conversions

HEX

#00001b

RGB

rgb(0, 0, 27)

HSL

hsl(240, 100%, 5.3%)

HSV / HSB

hsv(240, 100%, 10.6%)

CMYK

cmyk(100%, 100%, 0%, 89.4%)

LAB

lab(0.71, 5.02, -13.64)

LCH

lch(0.71, 14.53, 290.21)

OKLCH

oklch(10%, 0.0696, 264.06)

HWB

hwb(240, 0%, 89.4%)

Harmony colors

Complementary

#1b1b00

Analogous

#000e1b

#00001b

#0e001b

Triadic

#00001b

#1b0000

#001b00

Split-complementary

#00001b

#1b0e00

#0e1b00

Tetradic

#00001b

#1b001b

#1b1b00

#001b00

Square

#00001b

#1b000e

#1b1b00

#001b0e

Shades

Color #00001b mixed toward black.

#000017

#000012

#00000e

#000009

#000005

Tints

Color #00001b mixed toward white.

#00006c

#0000bc

#0e0eff

#5e5eff

#afafff

Tones

Color #00001b mixed toward gray.

#020219

#050517

#070714

#090912

#0b0b10

Accessibility

Aa White text on this color

20.67:1

Aa Black text on this color

1.02:1

White text reads better on this background (20.67:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#000017 · ΔE 2.1

Deuteranopia

#000015 · ΔE 3.1

Tritanopia

#001211 · ΔE 15.3

Achromatopsia

#030303 · ΔE 11.5

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

Code

CSS

background-color: #00001b;

Tailwind (arbitrary value)

bg-[#00001b]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#00001b (#00001b) is rgb(0, 0, 27) in RGB.

No, #00001b 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.

Try it →

Build something with this color

Generate a full palette from #00001b, or check how it holds up for accessibility.

Generate a palette → Check contrast