#0b172a

Color #0b172a

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 16.57 Nearest Tailwind class gray-900 #101828 · ΔE 1.6

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

Conversions

HEX

#0b172a

RGB

rgb(11, 23, 42)

HSL

hsl(216.8, 58.5%, 10.4%)

HSV / HSB

hsv(216.8, 73.8%, 16.5%)

CMYK

cmyk(73.8%, 45.2%, 0%, 83.5%)

LAB

lab(7.69, 2.18, -14.52)

LCH

lch(7.69, 14.68, 278.54)

OKLCH

oklch(20.5%, 0.0418, 259.25)

HWB

hwb(216.8, 4.3%, 83.5%)

Harmony colors

Complementary

#2a1e0b

Analogous

#0b272a

#0b172a

#0f0b2a

Triadic

#0b172a

#2a0b17

#172a0b

Split-complementary

#0b172a

#2a0f0b

#272a0b

Tetradic

#0b172a

#1e0b2a

#2a1e0b

#172a0b

Square

#0b172a

#2a0b27

#2a1e0b

#0b2a0f

Shades

Color #0b172a mixed toward black.

#091323

#070f1c

#060c15

#04080e

#020407

Tints

Color #0b172a mixed toward white.

#1b3866

#2b59a3

#4a7ed0

#86a9df

#c3d4ef

Tones

Color #0b172a mixed toward gray.

#0e1827

#101825

#131922

#151920

#181a1d

Accessibility

Aa White text on this color

17.95:1

Aa Black text on this color

1.17:1

White text reads better on this background (17.95:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#111126 · ΔE 5.2

Deuteranopia

#100f25 · ΔE 5.5

Tritanopia

#0c2322 · ΔE 15.8

Achromatopsia

#171717 · ΔE 11.1

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

Code

CSS

background-color: #0b172a;

Tailwind (arbitrary value)

bg-[#0b172a]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#0b172a (#0b172a) is rgb(11, 23, 42) in RGB.

No, #0b172a 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 #0b172a, or check how it holds up for accessibility.

Generate a palette → Check contrast