#171b1b

Color #171b1b

A nearly neutral, gray-leaning very dark cyan.

Closest named color Black #000000 · ΔE 9.57 Nearest Tailwind class mist-900 #161b1d · ΔE 1.5

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Conversions

HEX

#171b1b

RGB

rgb(23, 27, 27)

HSL

hsl(180, 8%, 9.8%)

HSV / HSB

hsv(180, 14.8%, 10.6%)

CMYK

cmyk(14.8%, 0%, 0%, 89.4%)

LAB

lab(9.36, -1.88, -0.64)

LCH

lch(9.36, 1.99, 198.8)

OKLCH

oklch(21.8%, 0.006, 196.34)

HWB

hwb(180, 9%, 89.4%)

Harmony colors

Complementary

#1b1717

Analogous

#171b19

#171b1b

#17191b

Triadic

#171b1b

#1b171b

#1b1b17

Split-complementary

#171b1b

#1b1719

#1b1917

Tetradic

#171b1b

#17171b

#1b1717

#1b1b17

Square

#171b1b

#19171b

#1b1717

#191b17

Shades

Color #171b1b mixed toward black.

#131616

#0f1212

#0b0d0d

#080909

#040404

Tints

Color #171b1b mixed toward white.

#3a4444

#5e6e6e

#839595

#acb8b8

#d6dcdc

Tones

Color #171b1b mixed toward gray.

#171b1b

#181a1a

#191919

Accessibility

Aa White text on this color

17.37:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.37:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#19191b · ΔE 3.5

Deuteranopia

#19181b · ΔE 4.7

Tritanopia

#171b1b · ΔE 0

Achromatopsia

#1a1a1a · ΔE 2.7

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

Code

CSS

background-color: #171b1b;

Tailwind (arbitrary value)

bg-[#171b1b]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#171b1b (#171b1b) is rgb(23, 27, 27) in RGB.

No, #171b1b 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 #171b1b, or check how it holds up for accessibility.

Generate a palette → Check contrast