#171723

Color #171723

A muted very dark blue.

Closest named color Black #000000 · ΔE 12.24 Nearest Tailwind class gray-900 #101828 · ΔE 3.8

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Conversions

HEX

#171723

RGB

rgb(23, 23, 35)

HSL

hsl(240, 20.7%, 11.4%)

HSV / HSB

hsv(240, 34.3%, 13.7%)

CMYK

cmyk(34.3%, 34.3%, 0%, 86.3%)

LAB

lab(8.27, 3.57, -8.29)

LCH

lch(8.27, 9.03, 293.3)

OKLCH

oklch(21.1%, 0.0236, 284.21)

HWB

hwb(240, 9%, 86.3%)

Harmony colors

Complementary

#232317

Analogous

#171d23

#171723

#1d1723

Triadic

#171723

#231717

#172317

Split-complementary

#171723

#231d17

#1d2317

Tetradic

#171723

#231723

#232317

#172317

Square

#171723

#23171d

#232317

#17231d

Shades

Color #171723 mixed toward black.

#13131d

#0f0f17

#0c0c12

#08080c

#040406

Tints

Color #171723 mixed toward white.

#353551

#53537e

#7777a5

#a4a4c3

#d2d2e1

Tones

Color #171723 mixed toward gray.

#181822

#191921

#1a1a20

#1b1b1f

#1c1c1e

Accessibility

Aa White text on this color

17.75:1

Aa Black text on this color

1.18:1

White text reads better on this background (17.75:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#171720 · ΔE 1.8

Deuteranopia

#171720 · ΔE 1.8

Tritanopia

#171e1e · ΔE 10.6

Achromatopsia

#181818 · ΔE 8.1

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

Code

CSS

background-color: #171723;

Tailwind (arbitrary value)

bg-[#171723]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#171723 (#171723) is rgb(23, 23, 35) in RGB.

No, #171723 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

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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 #171723, or check how it holds up for accessibility.

Generate a palette → Check contrast