#191b1d

Color #191b1d

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 9.79 Nearest Tailwind class mist-900 #161b1d · ΔE 1.9

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

Conversions

HEX

#191b1d

RGB

rgb(25, 27, 29)

HSL

hsl(210, 7.4%, 10.6%)

HSV / HSB

hsv(210, 13.8%, 11.4%)

CMYK

cmyk(13.8%, 6.9%, 0%, 88.6%)

LAB

lab(9.63, -0.4, -1.71)

LCH

lch(9.63, 1.76, 256.83)

OKLCH

oklch(22.1%, 0.005, 247.56)

HWB

hwb(210, 9.8%, 88.6%)

Harmony colors

Complementary

#1d1b19

Analogous

#191d1d

#191b1d

#19191d

Triadic

#191b1d

#1d191b

#1b1d19

Split-complementary

#191b1d

#1d1919

#1d1d19

Tetradic

#191b1d

#1b191d

#1d1b19

#1b1d19

Square

#191b1d

#1d191d

#1d1b19

#191d19

Shades

Color #191b1d mixed toward black.

#151718

#111213

#0d0e0f

#08090a

#040505

Tints

Color #191b1d mixed toward white.

#3c4146

#5f676f

#858d95

#adb3b9

#d6d9dc

Tones

Color #191b1d mixed toward gray.

#191b1d

#1a1b1c

#1b1b1b

Accessibility

Aa White text on this color

17.27:1

Aa Black text on this color

1.22:1

White text reads better on this background (17.27:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a1d · ΔE 1.8

Deuteranopia

#1a1a1c · ΔE 1.4

Tritanopia

#191c1c · ΔE 1.9

Achromatopsia

#1b1b1b · ΔE 1.7

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

Code

CSS

background-color: #191b1d;

Tailwind (arbitrary value)

bg-[#191b1d]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#191b1d (#191b1d) is rgb(25, 27, 29) in RGB.

No, #191b1d 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 #191b1d, or check how it holds up for accessibility.

Generate a palette → Check contrast