#171f25

Color #171f25

A muted very dark blue.

Closest named color Black #000000 · ΔE 12.53 Nearest Tailwind class mist-900 #161b1d · ΔE 2.9

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Conversions

HEX

#171f25

RGB

rgb(23, 31, 37)

HSL

hsl(205.7, 23.3%, 11.8%)

HSV / HSB

hsv(205.7, 37.8%, 14.5%)

CMYK

cmyk(37.8%, 16.2%, 0%, 85.5%)

LAB

lab(11.25, -1.75, -5.24)

LCH

lch(11.25, 5.52, 251.53)

OKLCH

oklch(23.4%, 0.0165, 240.95)

HWB

hwb(205.7, 9%, 85.5%)

Harmony colors

Complementary

#251d17

Analogous

#172524

#171f25

#171825

Triadic

#171f25

#25171f

#1f2517

Split-complementary

#171f25

#251718

#252417

Tetradic

#171f25

#1d1725

#251d17

#1f2517

Square

#171f25

#241725

#251d17

#182517

Shades

Color #171f25 mixed toward black.

#131a1f

#0f1519

#0c1013

#080a0c

#040506

Tints

Color #171f25 mixed toward white.

#344653

#516d82

#7492a9

#a3b7c5

#d1dbe2

Tones

Color #171f25 mixed toward gray.

#181f24

#191f23

#1b1f22

#1c1e20

#1d1e1f

Accessibility

Aa White text on this color

16.68:1

Aa Black text on this color

1.26:1

White text reads better on this background (16.68:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b24 · ΔE 6.1

Deuteranopia

#1a1a23 · ΔE 6.1

Tritanopia

#172322 · ΔE 6.1

Achromatopsia

#1e1e1e · ΔE 5.2

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

Code

CSS

background-color: #171f25;

Tailwind (arbitrary value)

bg-[#171f25]

Related colors

Steel Blue #4682b4

Charcoal #36454f

Alice Blue #f0f8ff

Light Sky Blue #87cefa

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#171f25 (#171f25) is rgb(23, 31, 37) in RGB.

No, #171f25 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 #171f25, or check how it holds up for accessibility.

Generate a palette → Check contrast