#0a1b28

Color #0a1b28

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 14.33 Nearest Tailwind class gray-900 #101828 · ΔE 5.3

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Conversions

HEX

#0a1b28

RGB

rgb(10, 27, 40)

HSL

hsl(206, 60%, 9.8%)

HSV / HSB

hsv(206, 75%, 15.7%)

CMYK

cmyk(75%, 32.5%, 0%, 84.3%)

LAB

lab(9, -2, -10.97)

LCH

lch(9, 11.15, 259.67)

OKLCH

oklch(21.5%, 0.0344, 243.43)

HWB

hwb(206, 3.9%, 84.3%)

Harmony colors

Complementary

#28170a

Analogous

#0a2826

#0a1b28

#0a0c28

Triadic

#0a1b28

#280a1b

#1b280a

Split-complementary

#0a1b28

#280a0c

#28260a

Tetradic

#0a1b28

#170a28

#28170a

#1b280a

Square

#0a1b28

#260a28

#28170a

#0c280a

Shades

Color #0a1b28 mixed toward black.

#081621

#07121b

#050d14

#03090d

#020407

Tints

Color #0a1b28 mixed toward white.

#194465

#296ea3

#4795d1

#84b8e0

#c2dcf0

Tones

Color #0a1b28 mixed toward gray.

#0c1b25

#0f1a23

#111a20

#141a1e

#16191b

Accessibility

Aa White text on this color

17.5:1

Aa Black text on this color

1.2:1

White text reads better on this background (17.5:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#131325 · ΔE 9.7

Deuteranopia

#121125 · ΔE 10.6

Tritanopia

#0b2322 · ΔE 11.2

Achromatopsia

#191919 · ΔE 9.1

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

Code

CSS

background-color: #0a1b28;

Tailwind (arbitrary value)

bg-[#0a1b28]

Related colors

Steel Blue #4682b4

Charcoal #36454f

Alice Blue #f0f8ff

Light Sky Blue #87cefa

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#0a1b28 (#0a1b28) is rgb(10, 27, 40) in RGB.

No, #0a1b28 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 #0a1b28, or check how it holds up for accessibility.

Generate a palette → Check contrast