#181e2d

Color #181e2d

A muted very dark blue.

Closest named color Black #000000 · ΔE 15.88 Nearest Tailwind class gray-900 #101828 · ΔE 2.1

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

Conversions

HEX

#181e2d

RGB

rgb(24, 30, 45)

HSL

hsl(222.9, 30.4%, 13.5%)

HSV / HSB

hsv(222.9, 46.7%, 17.6%)

CMYK

cmyk(46.7%, 33.3%, 0%, 82.4%)

LAB

lab(11.36, 2.09, -10.9)

LCH

lch(11.36, 11.1, 280.85)

OKLCH

oklch(23.7%, 0.0303, 267.35)

HWB

hwb(222.9, 9.4%, 82.4%)

Harmony colors

Complementary

#2d2718

Analogous

#18282d

#181e2d

#1c182d

Triadic

#181e2d

#2d181e

#1e2d18

Split-complementary

#181e2d

#2d1c18

#282d18

Tetradic

#181e2d

#27182d

#2d2718

#1e2d18

Square

#181e2d

#2d1828

#2d2718

#182d1c

Shades

Color #181e2d mixed toward black.

#141925

#10141e

#0c0f16

#080a0f

#040507

Tints

Color #181e2d mixed toward white.

#323e5d

#4b5e8d

#6f82b2

#9faccc

#cfd5e5

Tones

Color #181e2d mixed toward gray.

#1a1f2b

#1b1f29

#1d2028

#1f2126

#212224

Accessibility

Aa White text on this color

16.63:1

Aa Black text on this color

1.26:1

White text reads better on this background (16.63:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b2a · ΔE 3.3

Deuteranopia

#1a1a29 · ΔE 3.4

Tritanopia

#182727 · ΔE 12.4

Achromatopsia

#1e1e1e · ΔE 9

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

Code

CSS

background-color: #181e2d;

Tailwind (arbitrary value)

bg-[#181e2d]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#181e2d (#181e2d) is rgb(24, 30, 45) in RGB.

No, #181e2d 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 #181e2d, or check how it holds up for accessibility.

Generate a palette → Check contrast