#16181f

Color #16181f

A muted very dark blue.

Closest named color Black #000000 · ΔE 9.88 Nearest Tailwind class zinc-900 #18181b · ΔE 2.7

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Conversions

HEX

#16181f

RGB

rgb(22, 24, 31)

HSL

hsl(226.7, 17%, 10.4%)

HSV / HSB

hsv(226.7, 29%, 12.2%)

CMYK

cmyk(29%, 22.6%, 0%, 87.8%)

LAB

lab(8.33, 1.09, -5.2)

LCH

lch(8.33, 5.31, 281.84)

OKLCH

oklch(21%, 0.0142, 272.42)

HWB

hwb(226.7, 8.6%, 87.8%)

Harmony colors

Complementary

#1f1d16

Analogous

#161d1f

#16181f

#19161f

Triadic

#16181f

#1f1618

#181f16

Split-complementary

#16181f

#1f1916

#1d1f16

Tetradic

#16181f

#1d161f

#1f1d16

#181f16

Square

#16181f

#1f161d

#1f1d16

#161f19

Shades

Color #16181f mixed toward black.

#12141a

#0f1015

#0b0c10

#07080a

#040405

Tints

Color #16181f mixed toward white.

#363a4c

#555d78

#7982a0

#a6acc0

#d2d5df

Tones

Color #16181f mixed toward gray.

#17181e

#18191e

#18191d

#191a1c

#1a1a1b

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

#17171d · ΔE 1.3

Deuteranopia

#17171d · ΔE 1.3

Tritanopia

#161c1c · ΔE 6.5

Achromatopsia

#181818 · ΔE 4.9

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

Code

CSS

background-color: #16181f;

Tailwind (arbitrary value)

bg-[#16181f]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#16181f (#16181f) is rgb(22, 24, 31) in RGB.

No, #16181f 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.

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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 #16181f, or check how it holds up for accessibility.

Generate a palette → Check contrast