#191c21

Color #191c21

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 10.89 Nearest Tailwind class zinc-900 #18181b · ΔE 2.3

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Conversions

HEX

#191c21

RGB

rgb(25, 28, 33)

HSL

hsl(217.5, 13.8%, 11.4%)

HSV / HSB

hsv(217.5, 24.2%, 12.9%)

CMYK

cmyk(24.2%, 15.2%, 0%, 87.1%)

LAB

lab(10.16, 0.02, -3.91)

LCH

lch(10.16, 3.91, 270.29)

OKLCH

oklch(22.6%, 0.0107, 260.89)

HWB

hwb(217.5, 9.8%, 87.1%)

Harmony colors

Complementary

#211e19

Analogous

#192021

#191c21

#1a1921

Triadic

#191c21

#21191c

#1c2119

Split-complementary

#191c21

#211a19

#202119

Tetradic

#191c21

#1e1921

#211e19

#1c2119

Square

#191c21

#211920

#211e19

#19211a

Shades

Color #191c21 mixed toward black.

#15171c

#111316

#0d0e11

#08090b

#040506

Tints

Color #191c21 mixed toward white.

#3a404c

#5a6577

#7e8a9e

#a9b1be

#d4d8df

Tones

Color #191c21 mixed toward gray.

#1a1c20

#1b1d1f

#1c1d1e

Accessibility

Aa White text on this color

17.08:1

Aa Black text on this color

1.23:1

White text reads better on this background (17.08:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a20 · ΔE 2.4

Deuteranopia

#1a1a20 · ΔE 2.4

Tritanopia

#191f1f · ΔE 4.7

Achromatopsia

#1c1c1c · ΔE 3.6

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

Code

CSS

background-color: #191c21;

Tailwind (arbitrary value)

bg-[#191c21]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#191c21 (#191c21) is rgb(25, 28, 33) in RGB.

No, #191c21 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 #191c21, or check how it holds up for accessibility.

Generate a palette → Check contrast