#1c172e

Color #1c172e

A muted very dark blue.

Closest named color Black #000000 · ΔE 19.66 Nearest Tailwind class slate-900 #0f172b · ΔE 6.1

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Conversions

HEX

#1c172e

RGB

rgb(28, 23, 46)

HSL

hsl(253, 33.3%, 13.5%)

HSV / HSB

hsv(253, 50%, 18%)

CMYK

cmyk(39.1%, 50%, 0%, 82%)

LAB

lab(9.46, 9.18, -14.58)

LCH

lch(9.46, 17.23, 302.2)

OKLCH

oklch(22.3%, 0.0443, 292.45)

HWB

hwb(253, 9%, 82%)

Harmony colors

Complementary

#292e17

Analogous

#171d2e

#1c172e

#27172e

Triadic

#1c172e

#2e1c17

#172e1c

Split-complementary

#1c172e

#2e2717

#1d2e17

Tetradic

#1c172e

#2e1729

#292e17

#172e1c

Square

#1c172e

#2e171d

#292e17

#172e27

Shades

Color #1c172e mixed toward black.

#171326

#130f1f

#0e0b17

#09080f

#050408

Tints

Color #1c172e mixed toward white.

#3a2f5f

#584890

#7c6cb5

#a89dce

#d3cee6

Tones

Color #1c172e mixed toward gray.

#1d192c

#1e1b2a

#1f1d28

#201f26

#212124

Accessibility

Aa White text on this color

17.34:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.34:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a2a · ΔE 4.5

Deuteranopia

#1a1b29 · ΔE 5.8

Tritanopia

#1c2625 · ΔE 18.2

Achromatopsia

#1a1a1a · ΔE 13.8

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

Code

CSS

background-color: #1c172e;

Tailwind (arbitrary value)

bg-[#1c172e]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#1c172e (#1c172e) is rgb(28, 23, 46) in RGB.

No, #1c172e 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 #1c172e, or check how it holds up for accessibility.

Generate a palette → Check contrast