#181525

Color #181525

A muted very dark blue.

Closest named color Black #000000 · ΔE 14.47 Nearest Tailwind class mauve-900 #1d161e · ΔE 4.7

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Conversions

HEX

#181525

RGB

rgb(24, 21, 37)

HSL

hsl(251.3, 27.6%, 11.4%)

HSV / HSB

hsv(251.3, 43.2%, 14.5%)

CMYK

cmyk(35.1%, 43.2%, 0%, 85.5%)

LAB

lab(7.81, 6.17, -10.51)

LCH

lch(7.81, 12.19, 300.42)

OKLCH

oklch(20.8%, 0.0315, 292)

HWB

hwb(251.3, 8.2%, 85.5%)

Harmony colors

Complementary

#222515

Analogous

#151a25

#181525

#201525

Triadic

#181525

#251815

#152518

Split-complementary

#181525

#252015

#1a2515

Tetradic

#181525

#251522

#222515

#152518

Square

#181525

#25151a

#222515

#152520

Shades

Color #181525 mixed toward black.

#14121f

#100e19

#0c0b13

#08070c

#040406

Tints

Color #181525 mixed toward white.

#373055

#564c85

#7b6fad

#a79fc8

#d3cfe4

Tones

Color #181525 mixed toward gray.

#191624

#1a1822

#1b1921

#1b1a20

#1c1c1e

Accessibility

Aa White text on this color

17.91:1

Aa Black text on this color

1.17:1

White text reads better on this background (17.91:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#171722 · ΔE 3.6

Deuteranopia

#171721 · ΔE 4.1

Tritanopia

#181f1e · ΔE 14.1

Achromatopsia

#171717 · ΔE 10.6

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

Code

CSS

background-color: #181525;

Tailwind (arbitrary value)

bg-[#181525]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#181525 (#181525) is rgb(24, 21, 37) in RGB.

No, #181525 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 #181525, or check how it holds up for accessibility.

Generate a palette → Check contrast