#181628

Color #181628

A muted very dark blue.

Closest named color Black #000000 · ΔE 15.92 Nearest Tailwind class slate-900 #0f172b · ΔE 4.3

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

Conversions

HEX

#181628

RGB

rgb(24, 22, 40)

HSL

hsl(246.7, 29%, 12.2%)

HSV / HSB

hsv(246.7, 45%, 15.7%)

CMYK

cmyk(40%, 45%, 0%, 84.3%)

LAB

lab(8.32, 6.42, -11.96)

LCH

lch(8.32, 13.57, 298.23)

OKLCH

oklch(21.2%, 0.0351, 288.07)

HWB

hwb(246.7, 8.6%, 84.3%)

Harmony colors

Complementary

#262816

Analogous

#161d28

#181628

#211628

Triadic

#181628

#281816

#162818

Split-complementary

#181628

#282116

#1d2816

Tetradic

#181628

#281626

#262816

#162818

Square

#181628

#28161d

#262816

#162821

Shades

Color #181628 mixed toward black.

#141221

#100f1b

#0c0b14

#08070d

#040407

Tints

Color #181628 mixed toward white.

#353158

#524b88

#766fb0

#a49fca

#d1cfe5

Tones

Color #181628 mixed toward gray.

#191827

#1a1925

#1c1b24

#1d1c22

#1e1e21

Accessibility

Aa White text on this color

17.73:1

Aa Black text on this color

1.18:1

White text reads better on this background (17.73:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#171724 · ΔE 3.1

Deuteranopia

#171724 · ΔE 3.1

Tritanopia

#182121 · ΔE 14.9

Achromatopsia

#181818 · ΔE 11.4

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

Code

CSS

background-color: #181628;

Tailwind (arbitrary value)

bg-[#181628]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#181628 (#181628) is rgb(24, 22, 40) in RGB.

No, #181628 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.

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 #181628, or check how it holds up for accessibility.

Generate a palette → Check contrast