#171c2b

Color #171c2b

A muted very dark blue.

Closest named color Black #000000 · ΔE 15.28 Nearest Tailwind class gray-900 #101828 · ΔE 1.8

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Conversions

HEX

#171c2b

RGB

rgb(23, 28, 43)

HSL

hsl(225, 30.3%, 12.9%)

HSV / HSB

hsv(225, 46.5%, 16.9%)

CMYK

cmyk(46.5%, 34.9%, 0%, 83.1%)

LAB

lab(10.46, 2.51, -10.85)

LCH

lch(10.46, 11.14, 283.03)

OKLCH

oklch(22.9%, 0.0302, 269.81)

HWB

hwb(225, 9%, 83.1%)

Harmony colors

Complementary

#2b2617

Analogous

#17262b

#171c2b

#1c172b

Triadic

#171c2b

#2b171c

#1c2b17

Split-complementary

#171c2b

#2b1c17

#262b17

Tetradic

#171c2b

#26172b

#2b2617

#1c2b17

Square

#171c2b

#2b1726

#2b2617

#172b1c

Shades

Color #171c2b mixed toward black.

#131724

#0f131d

#0b0e15

#08090e

#040507

Tints

Color #171c2b mixed toward white.

#313b5b

#4b5b8b

#6e7fb2

#9faacb

#cfd4e5

Tones

Color #171c2b mixed toward gray.

#191d29

#1a1e28

#1c1e26

#1e1f24

#1f2023

Accessibility

Aa White text on this color

16.97:1

Aa Black text on this color

1.24:1

White text reads better on this background (16.97:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#191928 · ΔE 2.8

Deuteranopia

#191927 · ΔE 2.7

Tritanopia

#172525 · ΔE 12.6

Achromatopsia

#1c1c1c · ΔE 9.1

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

Code

CSS

background-color: #171c2b;

Tailwind (arbitrary value)

bg-[#171c2b]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#171c2b (#171c2b) is rgb(23, 28, 43) in RGB.

No, #171c2b 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 #171c2b, or check how it holds up for accessibility.

Generate a palette → Check contrast