#13183b

Color #13183b

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 27.55 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.8

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Conversions

HEX

#13183b

RGB

rgb(19, 24, 59)

HSL

hsl(232.5, 51.3%, 15.3%)

HSV / HSB

hsv(232.5, 67.8%, 23.1%)

CMYK

cmyk(67.8%, 59.3%, 0%, 76.9%)

LAB

lab(9.86, 10.66, -23.41)

LCH

lch(9.86, 25.72, 294.48)

OKLCH

oklch(22.7%, 0.0671, 273.67)

HWB

hwb(232.5, 7.5%, 76.9%)

Harmony colors

Complementary

#3b3613

Analogous

#132c3b

#13183b

#22133b

Triadic

#13183b

#3b1318

#183b13

Split-complementary

#13183b

#3b2213

#2c3b13

Tetradic

#13183b

#36133b

#3b3613

#183b13

Square

#13183b

#3b132c

#3b3613

#133b22

Shades

Color #13183b mixed toward black.

#101431

#0d1027

#0a0c1e

#060814

#03040a

Tints

Color #13183b mixed toward white.

#252e71

#3644a8

#5c69ca

#929bdc

#c9cded

Tones

Color #13183b mixed toward gray.

#161b38

#1a1d34

#1d2031

#20222e

#24252a

Accessibility

Aa White text on this color

17.19:1

Aa Black text on this color

1.22:1

White text reads better on this background (17.19:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#151535 · ΔE 1.9

Deuteranopia

#151533 · ΔE 2.3

Tritanopia

#132f2e · ΔE 23.3

Achromatopsia

#1b1b1b · ΔE 17.2

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

Code

CSS

background-color: #13183b;

Tailwind (arbitrary value)

bg-[#13183b]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#13183b (#13183b) is rgb(19, 24, 59) in RGB.

No, #13183b 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 #13183b, or check how it holds up for accessibility.

Generate a palette → Check contrast