#171328

Color #171328

A muted very dark blue.

Closest named color Black #000000 · ΔE 17.53 Nearest Tailwind class slate-900 #0f172b · ΔE 5.5

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Conversions

HEX

#171328

RGB

rgb(23, 19, 40)

HSL

hsl(251.4, 35.6%, 11.6%)

HSV / HSB

hsv(251.4, 52.5%, 15.7%)

CMYK

cmyk(42.5%, 52.5%, 0%, 84.3%)

LAB

lab(7.24, 8.27, -13.66)

LCH

lch(7.24, 15.97, 301.19)

OKLCH

oklch(20.3%, 0.0412, 291.03)

HWB

hwb(251.4, 7.5%, 84.3%)

Harmony colors

Complementary

#242813

Analogous

#131a28

#171328

#221328

Triadic

#171328

#281713

#132817

Split-complementary

#171328

#282213

#1a2813

Tetradic

#171328

#281324

#242813

#132817

Square

#171328

#28131a

#242813

#132822

Shades

Color #171328 mixed toward black.

#131021

#0f0d1b

#0c0a14

#08060d

#040307

Tints

Color #171328 mixed toward white.

#342b5b

#52438e

#7566b6

#a399cf

#d1cce7

Tones

Color #171328 mixed toward gray.

#181526

#191725

#1a1823

#1b1a21

#1c1c1f

Accessibility

Aa White text on this color

18.1:1

Aa Black text on this color

1.16:1

White text reads better on this background (18.1:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#151524 · ΔE 3.9

Deuteranopia

#161623 · ΔE 4.9

Tritanopia

#172120 · ΔE 17.5

Achromatopsia

#161616 · ΔE 13

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

Code

CSS

background-color: #171328;

Tailwind (arbitrary value)

bg-[#171328]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#171328 (#171328) is rgb(23, 19, 40) in RGB.

No, #171328 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 #171328, or check how it holds up for accessibility.

Generate a palette → Check contrast