#0f1839

Color #0f1839

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 26.15 Nearest Tailwind class slate-900 #0f172b · ΔE 5.3

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Conversions

HEX

#0f1839

RGB

rgb(15, 24, 57)

HSL

hsl(227.1, 58.3%, 14.1%)

HSV / HSB

hsv(227.1, 73.7%, 22.4%)

CMYK

cmyk(73.7%, 57.9%, 0%, 77.6%)

LAB

lab(9.4, 8.9, -22.72)

LCH

lch(9.4, 24.4, 291.39)

OKLCH

oklch(22.2%, 0.0651, 269.12)

HWB

hwb(227.1, 5.9%, 77.6%)

Harmony colors

Complementary

#39300f

Analogous

#0f2d39

#0f1839

#1b0f39

Triadic

#0f1839

#390f18

#18390f

Split-complementary

#0f1839

#391b0f

#2d390f

Tetradic

#0f1839

#300f39

#39300f

#18390f

Square

#0f1839

#390f2d

#39300f

#0f391b

Shades

Color #0f1839 mixed toward black.

#0c142f

#0a1026

#070c1c

#050813

#020409

Tints

Color #0f1839 mixed toward white.

#1e3073

#2d49ac

#526dd1

#8b9ee1

#c5cef0

Tones

Color #0f1839 mixed toward gray.

#121a35

#161c32

#191e2e

#1d202b

#202227

Accessibility

Aa White text on this color

17.35:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.35:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#131333 · ΔE 2.9

Deuteranopia

#131232 · ΔE 3.3

Tritanopia

#102e2d · ΔE 22.7

Achromatopsia

#1a1a1a · ΔE 16.5

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

Code

CSS

background-color: #0f1839;

Tailwind (arbitrary value)

bg-[#0f1839]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#0f1839 (#0f1839) is rgb(15, 24, 57) in RGB.

No, #0f1839 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 #0f1839, or check how it holds up for accessibility.

Generate a palette → Check contrast