#0b121e

Color #0b121e

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 10.5 Nearest Tailwind class slate-950 #020618 · ΔE 2.9

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Conversions

HEX

#0b121e

RGB

rgb(11, 18, 30)

HSL

hsl(217.9, 46.3%, 8%)

HSV / HSB

hsv(217.9, 63.3%, 11.8%)

CMYK

cmyk(63.3%, 40%, 0%, 88.2%)

LAB

lab(5.4, 0.85, -8.96)

LCH

lch(5.4, 9, 275.42)

OKLCH

oklch(18.2%, 0.0271, 260.88)

HWB

hwb(217.9, 4.3%, 88.2%)

Harmony colors

Complementary

#1e170b

Analogous

#0b1b1e

#0b121e

#0d0b1e

Triadic

#0b121e

#1e0b12

#121e0b

Split-complementary

#0b121e

#1e0d0b

#1b1e0b

Tetradic

#0b121e

#170b1e

#1e170b

#121e0b

Square

#0b121e

#1e0b1b

#1e170b

#0b1e0d

Shades

Color #0b121e mixed toward black.

#090f19

#070c14

#05090f

#04060a

#020305

Tints

Color #0b121e mixed toward white.

#203457

#355790

#537bc0

#8da7d5

#c6d3ea

Tones

Color #0b121e mixed toward gray.

#0d121c

#0e131b

#101319

#111418

#131416

Accessibility

Aa White text on this color

18.76:1

Aa Black text on this color

1.12:1

White text reads better on this background (18.76:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0e0e1c · ΔE 3.4

Deuteranopia

#0e0d1b · ΔE 3.8

Tritanopia

#0b1919 · ΔE 9.9

Achromatopsia

#121212 · ΔE 7.5

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

Code

CSS

background-color: #0b121e;

Tailwind (arbitrary value)

bg-[#0b121e]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#0b121e (#0b121e) is rgb(11, 18, 30) in RGB.

No, #0b121e 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.

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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 #0b121e, or check how it holds up for accessibility.

Generate a palette → Check contrast