#171f2c

Color #171f2c

A muted very dark blue.

Closest named color Black #000000 · ΔE 15.22 Nearest Tailwind class gray-900 #101828 · ΔE 3

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Conversions

HEX

#171f2c

RGB

rgb(23, 31, 44)

HSL

hsl(217.1, 31.3%, 13.1%)

HSV / HSB

hsv(217.1, 47.7%, 17.3%)

CMYK

cmyk(47.7%, 29.5%, 0%, 82.7%)

LAB

lab(11.58, 0.63, -9.85)

LCH

lch(11.58, 9.87, 273.66)

OKLCH

oklch(23.8%, 0.0277, 260.03)

HWB

hwb(217.1, 9%, 82.7%)

Harmony colors

Complementary

#2c2417

Analogous

#17292c

#171f2c

#19172c

Triadic

#171f2c

#2c171f

#1f2c17

Split-complementary

#171f2c

#2c1917

#292c17

Tetradic

#171f2c

#24172c

#2c2417

#1f2c17

Square

#171f2c

#2c1729

#2c2417

#172c19

Shades

Color #171f2c mixed toward black.

#131a25

#0f151d

#0b0f16

#080a0f

#040507

Tints

Color #171f2c mixed toward white.

#30415c

#4a638d

#6e88b3

#9eb0cc

#cfd7e6

Tones

Color #171f2c mixed toward gray.

#191f2a

#1a2028

#1c2027

#1e2125

#202123

Accessibility

Aa White text on this color

16.55:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.55:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b29 · ΔE 4.8

Deuteranopia

#1a1a29 · ΔE 5.2

Tritanopia

#172726 · ΔE 11.5

Achromatopsia

#1f1f1f · ΔE 8.1

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

Code

CSS

background-color: #171f2c;

Tailwind (arbitrary value)

bg-[#171f2c]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#171f2c (#171f2c) is rgb(23, 31, 44) in RGB.

No, #171f2c 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 #171f2c, or check how it holds up for accessibility.

Generate a palette → Check contrast