#0a1b38

Color #0a1b38

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 23.81 Nearest Tailwind class slate-900 #0f172b · ΔE 3.8

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Conversions

HEX

#0a1b38

RGB

rgb(10, 27, 56)

HSL

hsl(217.8, 69.7%, 12.9%)

HSV / HSB

hsv(217.8, 82.1%, 22%)

CMYK

cmyk(82.1%, 51.8%, 0%, 78%)

LAB

lab(10.06, 5.08, -20.97)

LCH

lch(10.06, 21.58, 283.62)

OKLCH

oklch(22.6%, 0.0609, 260.35)

HWB

hwb(217.8, 3.9%, 78%)

Harmony colors

Complementary

#38270a

Analogous

#0a3238

#0a1b38

#100a38

Triadic

#0a1b38

#380a1b

#1b380a

Split-complementary

#0a1b38

#38100a

#32380a

Tetradic

#0a1b38

#270a38

#38270a

#1b380a

Square

#0a1b38

#380a32

#38270a

#0a3810

Shades

Color #0a1b38 mixed toward black.

#08162f

#071225

#050d1c

#030913

#020409

Tints

Color #0a1b38 mixed toward white.

#153977

#2058b5

#437cdd

#81a8e9

#c0d3f4

Tones

Color #0a1b38 mixed toward gray.

#0e1c34

#121d30

#151e2c

#191f29

#1d2025

Accessibility

Aa White text on this color

17.12:1

Aa Black text on this color

1.23:1

White text reads better on this background (17.12:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#131333 · ΔE 5.7

Deuteranopia

#121131 · ΔE 6.1

Tritanopia

#0b2e2d · ΔE 20.8

Achromatopsia

#1c1c1c · ΔE 14.8

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

Code

CSS

background-color: #0a1b38;

Tailwind (arbitrary value)

bg-[#0a1b38]

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

#0a1b38 (#0a1b38) is rgb(10, 27, 56) in RGB.

No, #0a1b38 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 #0a1b38, or check how it holds up for accessibility.

Generate a palette → Check contrast