#181828

Color #181828

A muted very dark blue.

Closest named color Black #000000 · ΔE 14.95 Nearest Tailwind class slate-900 #0f172b · ΔE 3.5

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Conversions

HEX

#181828

RGB

rgb(24, 24, 40)

HSL

hsl(240, 25%, 12.5%)

HSV / HSB

hsv(240, 40%, 15.7%)

CMYK

cmyk(40%, 40%, 0%, 84.3%)

LAB

lab(9, 4.88, -10.9)

LCH

lch(9, 11.94, 294.12)

OKLCH

oklch(21.7%, 0.0312, 283.55)

HWB

hwb(240, 9.4%, 84.3%)

Harmony colors

Complementary

#282818

Analogous

#182028

#181828

#201828

Triadic

#181828

#281818

#182818

Split-complementary

#181828

#282018

#202818

Tetradic

#181828

#281828

#282818

#182818

Square

#181828

#281820

#282818

#182820

Shades

Color #181828 mixed toward black.

#141421

#10101b

#0c0c14

#08080d

#040407

Tints

Color #181828 mixed toward white.

#343456

#505085

#7474ab

#a2a2c7

#d1d1e3

Tones

Color #181828 mixed toward gray.

#191927

#1b1b25

#1c1c24

#1d1d23

#1f1f21

Accessibility

Aa White text on this color

17.5:1

Aa Black text on this color

1.2:1

White text reads better on this background (17.5:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#181825 · ΔE 1.6

Deuteranopia

#181824 · ΔE 2.2

Tritanopia

#182221 · ΔE 14.2

Achromatopsia

#191919 · ΔE 10.1

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

Code

CSS

background-color: #181828;

Tailwind (arbitrary value)

bg-[#181828]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#181828 (#181828) is rgb(24, 24, 40) in RGB.

No, #181828 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 #181828, or check how it holds up for accessibility.

Generate a palette → Check contrast