#0b172b

Color #0b172b

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 17.23 Nearest Tailwind class slate-900 #0f172b · ΔE 1.5

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Conversions

HEX

#0b172b

RGB

rgb(11, 23, 43)

HSL

hsl(217.5, 59.3%, 10.6%)

HSV / HSB

hsv(217.5, 74.4%, 16.9%)

CMYK

cmyk(74.4%, 46.5%, 0%, 83.1%)

LAB

lab(7.75, 2.62, -15.16)

LCH

lch(7.75, 15.38, 279.81)

OKLCH

oklch(20.5%, 0.0436, 260.11)

HWB

hwb(217.5, 4.3%, 83.1%)

Harmony colors

Complementary

#2b1f0b

Analogous

#0b272b

#0b172b

#0f0b2b

Triadic

#0b172b

#2b0b17

#172b0b

Split-complementary

#0b172b

#2b0f0b

#272b0b

Tetradic

#0b172b

#1f0b2b

#2b1f0b

#172b0b

Square

#0b172b

#2b0b27

#2b1f0b

#0b2b0f

Shades

Color #0b172b mixed toward black.

#091324

#070f1d

#060c16

#04080e

#020407

Tints

Color #0b172b mixed toward white.

#1a3768

#2a58a4

#497cd1

#86a8e0

#c2d3f0

Tones

Color #0b172b mixed toward gray.

#0e1828

#101826

#131923

#161a20

#181a1e

Accessibility

Aa White text on this color

17.92:1

Aa Black text on this color

1.17:1

White text reads better on this background (17.92:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#111127 · ΔE 5

Deuteranopia

#100f26 · ΔE 5.4

Tritanopia

#0c2423 · ΔE 16.5

Achromatopsia

#171717 · ΔE 11.6

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

Code

CSS

background-color: #0b172b;

Tailwind (arbitrary value)

bg-[#0b172b]

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

#0b172b (#0b172b) is rgb(11, 23, 43) in RGB.

No, #0b172b 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.

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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 #0b172b, or check how it holds up for accessibility.

Generate a palette → Check contrast