#181d4a

Color #181d4a

A moderately saturated very dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 25.22 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 2.4

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Conversions

HEX

#181d4a

RGB

rgb(24, 29, 74)

HSL

hsl(234, 51%, 19.2%)

HSV / HSB

hsv(234, 67.6%, 29%)

CMYK

cmyk(67.6%, 60.8%, 0%, 71%)

LAB

lab(13.03, 14.09, -28.8)

LCH

lch(13.03, 32.06, 296.07)

OKLCH

oklch(25.6%, 0.0828, 274.22)

HWB

hwb(234, 9.4%, 71%)

Harmony colors

Complementary

#4a4518

Analogous

#18364a

#181d4a

#2c184a

Triadic

#181d4a

#4a181d

#1d4a18

Split-complementary

#181d4a

#4a2c18

#364a18

Tetradic

#181d4a

#45184a

#4a4518

#1d4a18

Square

#181d4a

#4a1836

#4a4518

#184a2c

Shades

Color #181d4a mixed toward black.

#14183e

#101331

#0c0e25

#080a19

#04050c

Tints

Color #181d4a mixed toward white.

#29317e

#3a46b2

#636ecd

#979edd

#cbcfee

Tones

Color #181d4a mixed toward gray.

#1c2046

#202442

#24273d

#292a39

#2d2e35

Accessibility

Aa White text on this color

15.99:1

Aa Black text on this color

1.31:1

White text reads better on this background (15.99:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a42 · ΔE 2.1

Deuteranopia

#1a1a40 · ΔE 2.6

Tritanopia

#183b3a · ΔE 25.1

Achromatopsia

#222222 · ΔE 19.5

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

Code

CSS

background-color: #181d4a;

Tailwind (arbitrary value)

bg-[#181d4a]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#181d4a (#181d4a) is rgb(24, 29, 74) in RGB.

No, #181d4a 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 #181d4a, or check how it holds up for accessibility.

Generate a palette → Check contrast