#181a2d

Color #181a2d

A muted very dark blue.

Closest named color Black #000000 · ΔE 17.21 Nearest Tailwind class slate-900 #0f172b · ΔE 2.6

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

Conversions

HEX

#181a2d

RGB

rgb(24, 26, 45)

HSL

hsl(234.3, 30.4%, 13.5%)

HSV / HSB

hsv(234.3, 46.7%, 17.6%)

CMYK

cmyk(46.7%, 42.2%, 0%, 82.4%)

LAB

lab(9.97, 5.11, -13.07)

LCH

lch(9.97, 14.03, 291.35)

OKLCH

oklch(22.6%, 0.037, 278.39)

HWB

hwb(234.3, 9.4%, 82.4%)

Harmony colors

Complementary

#2d2b18

Analogous

#18242d

#181a2d

#20182d

Triadic

#181a2d

#2d181a

#1a2d18

Split-complementary

#181a2d

#2d2018

#242d18

Tetradic

#181a2d

#2b182d

#2d2b18

#1a2d18

Square

#181a2d

#2d1824

#2d2b18

#182d20

Shades

Color #181a2d mixed toward black.

#141625

#10111e

#0c0d16

#08090f

#040407

Tints

Color #181a2d mixed toward white.

#32365d

#4b518d

#6f76b2

#9fa3cc

#cfd1e5

Tones

Color #181a2d mixed toward gray.

#1a1b2b

#1b1d29

#1d1e28

#1f2026

#212124

Accessibility

Aa White text on this color

17.15:1

Aa Black text on this color

1.22:1

White text reads better on this background (17.15:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#191929 · ΔE 1.5

Deuteranopia

#191928 · ΔE 2

Tritanopia

#182625 · ΔE 16

Achromatopsia

#1b1b1b · ΔE 11.3

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

Code

CSS

background-color: #181a2d;

Tailwind (arbitrary value)

bg-[#181a2d]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#181a2d (#181a2d) is rgb(24, 26, 45) in RGB.

No, #181a2d 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #181a2d, or check how it holds up for accessibility.

Generate a palette → Check contrast