#1d172b

Color #1d172b

A muted very dark blue.

Closest named color Black #000000 · ΔE 17.8 Nearest Tailwind class mauve-800 #2a212c · ΔE 5.7

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Conversions

HEX

#1d172b

RGB

rgb(29, 23, 43)

HSL

hsl(258, 30.3%, 12.9%)

HSV / HSB

hsv(258, 46.5%, 16.9%)

CMYK

cmyk(32.6%, 46.5%, 0%, 83.1%)

LAB

lab(9.39, 8.56, -12.47)

LCH

lch(9.39, 15.13, 304.47)

OKLCH

oklch(22.2%, 0.0389, 296.89)

HWB

hwb(258, 9%, 83.1%)

Harmony colors

Complementary

#252b17

Analogous

#171b2b

#1d172b

#27172b

Triadic

#1d172b

#2b1d17

#172b1d

Split-complementary

#1d172b

#2b2717

#1b2b17

Tetradic

#1d172b

#2b1725

#252b17

#172b1d

Square

#1d172b

#2b171b

#252b17

#172b27

Shades

Color #1d172b mixed toward black.

#181324

#130f1d

#0e0b15

#0a080e

#050407

Tints

Color #1d172b mixed toward white.

#3d315b

#5e4b8b

#826eb2

#ac9fcb

#d5cfe5

Tones

Color #1d172b mixed toward gray.

#1e1929

#1e1a28

#1f1c26

#201e24

#201f23

Accessibility

Aa White text on this color

17.36:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.36:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b27 · ΔE 5.6

Deuteranopia

#1b1b26 · ΔE 6.1

Tritanopia

#1d2423 · ΔE 16.4

Achromatopsia

#1a1a1a · ΔE 12.7

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

Code

CSS

background-color: #1d172b;

Tailwind (arbitrary value)

bg-[#1d172b]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#1d172b (#1d172b) is rgb(29, 23, 43) in RGB.

No, #1d172b 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 #1d172b, or check how it holds up for accessibility.

Generate a palette → Check contrast