#171d2a

Color #171d2a

A muted very dark blue.

Closest named color Black #000000 · ΔE 14.52 Nearest Tailwind class gray-900 #101828 · ΔE 2.3

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Conversions

HEX

#171d2a

RGB

rgb(23, 29, 42)

HSL

hsl(221.1, 29.2%, 12.7%)

HSV / HSB

hsv(221.1, 45.2%, 16.5%)

CMYK

cmyk(45.2%, 31%, 0%, 83.5%)

LAB

lab(10.76, 1.41, -9.65)

LCH

lch(10.76, 9.75, 278.31)

OKLCH

oklch(23.1%, 0.0269, 265.31)

HWB

hwb(221.1, 9%, 83.5%)

Harmony colors

Complementary

#2a2417

Analogous

#17262a

#171d2a

#1a172a

Triadic

#171d2a

#2a171d

#1d2a17

Split-complementary

#171d2a

#2a1a17

#262a17

Tetradic

#171d2a

#24172a

#2a2417

#1d2a17

Square

#171d2a

#2a1726

#2a2417

#172a1a

Shades

Color #171d2a mixed toward black.

#131823

#0f131c

#0b0e15

#080a0e

#040507

Tints

Color #171d2a mixed toward white.

#313e5a

#4b5f8a

#6f84b0

#9fadca

#cfd6e5

Tones

Color #171d2a mixed toward gray.

#191d28

#1a1e27

#1c1f25

#1d1f24

#1f2022

Accessibility

Aa White text on this color

16.86:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a27 · ΔE 3.5

Deuteranopia

#191927 · ΔE 3.8

Tritanopia

#172524 · ΔE 11.7

Achromatopsia

#1d1d1d · ΔE 8.1

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

Code

CSS

background-color: #171d2a;

Tailwind (arbitrary value)

bg-[#171d2a]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#171d2a (#171d2a) is rgb(23, 29, 42) in RGB.

No, #171d2a 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 #171d2a, or check how it holds up for accessibility.

Generate a palette → Check contrast