#181844

Color #181844

A moderately saturated very dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 26.58 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 2.1

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#181844

RGB

rgb(24, 24, 68)

HSL

hsl(240, 47.8%, 18%)

HSV / HSB

hsv(240, 64.7%, 26.7%)

CMYK

cmyk(64.7%, 64.7%, 0%, 73.3%)

LAB

lab(11.03, 15.45, -27.87)

LCH

lch(11.03, 31.87, 299)

OKLCH

oklch(23.9%, 0.0809, 278.39)

HWB

hwb(240, 9.4%, 73.3%)

Harmony colors

Complementary

#444418

Analogous

#182e44

#181844

#2e1844

Triadic

#181844

#441818

#184418

Split-complementary

#181844

#442e18

#2e4418

Tetradic

#181844

#441844

#444418

#184418

Square

#181844

#44182e

#444418

#18442e

Shades

Color #181844 mixed toward black.

#141439

#10102d

#0c0c22

#080817

#04040b

Tints

Color #181844 mixed toward white.

#2a2a77

#3c3cab

#6464c8

#9898db

#cbcbed

Tones

Color #181844 mixed toward gray.

#1c1c40

#1f1f3d

#232339

#272735

#2a2a32

Accessibility

Aa White text on this color

16.76:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.76:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#18183d · ΔE 2

Deuteranopia

#18183b · ΔE 2.7

Tritanopia

#183634 · ΔE 25.5

Achromatopsia

#1e1e1e · ΔE 19.7

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

Code

CSS

background-color: #181844;

Tailwind (arbitrary value)

bg-[#181844]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#181844 (#181844) is rgb(24, 24, 68) in RGB.

No, #181844 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 #181844, or check how it holds up for accessibility.

Generate a palette → Check contrast