#000b2f

Color #000b2f

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 25.91 Nearest Tailwind class slate-900 #0f172b · ΔE 5.9

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

Conversions

HEX

#000b2f

RGB

rgb(0, 11, 47)

HSL

hsl(226, 100%, 9.2%)

HSV / HSB

hsv(226, 100%, 18.4%)

CMYK

cmyk(100%, 76.6%, 0%, 81.6%)

LAB

lab(4.02, 8.61, -24.11)

LCH

lch(4.02, 25.6, 289.65)

OKLCH

oklch(16.9%, 0.0754, 261.54)

HWB

hwb(226, 0%, 81.6%)

Harmony colors

Complementary

#2f2400

Analogous

#00222f

#000b2f

#0d002f

Triadic

#000b2f

#2f000b

#0b2f00

Split-complementary

#000b2f

#2f0d00

#222f00

Tetradic

#000b2f

#24002f

#2f2400

#0b2f00

Square

#000b2f

#2f0022

#2f2400

#002f0d

Shades

Color #000b2f mixed toward black.

#000927

#00071f

#000517

#000410

#000208

Tints

Color #000b2f mixed toward white.

#001d7c

#002fc9

#174dff

#6589ff

#b2c4ff

Tones

Color #000b2f mixed toward gray.

#040d2b

#080f27

#0c1123

#10131f

#14151b

Accessibility

Aa White text on this color

19.29:1

Aa Black text on this color

1.09:1

White text reads better on this background (19.29:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#050529 · ΔE 2.3

Deuteranopia

#040328 · ΔE 2.5

Tritanopia

#012423 · ΔE 23.1

Achromatopsia

#0e0e0e · ΔE 16.9

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

Code

CSS

background-color: #000b2f;

Tailwind (arbitrary value)

bg-[#000b2f]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#000b2f (#000b2f) is rgb(0, 11, 47) in RGB.

No, #000b2f is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #000b2f, or check how it holds up for accessibility.

Generate a palette → Check contrast