#171c30

Color #171c30

A muted very dark blue.

Closest named color Black #000000 · ΔE 18.22 Nearest Tailwind class slate-900 #0f172b · ΔE 2

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Conversions

HEX

#171c30

RGB

rgb(23, 28, 48)

HSL

hsl(228, 35.2%, 13.9%)

HSV / HSB

hsv(228, 52.1%, 18.8%)

CMYK

cmyk(52.1%, 41.7%, 0%, 81.2%)

LAB

lab(10.75, 4.34, -14.05)

LCH

lch(10.75, 14.71, 287.17)

OKLCH

oklch(23.2%, 0.0394, 272.33)

HWB

hwb(228, 9%, 81.2%)

Harmony colors

Complementary

#302b17

Analogous

#172830

#171c30

#1e1730

Triadic

#171c30

#30171c

#1c3017

Split-complementary

#171c30

#301e17

#283017

Tetradic

#171c30

#2b1730

#302b17

#1c3017

Square

#171c30

#301728

#302b17

#17301e

Shades

Color #171c30 mixed toward black.

#131728

#0f1320

#0b0e18

#080910

#040508

Tints

Color #171c30 mixed toward white.

#2f3961

#465693

#6b7ab8

#9ca6d0

#ced3e7

Tones

Color #171c30 mixed toward gray.

#191d2e

#1b1e2c

#1d202a

#1f2128

#212226

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

#19192c · ΔE 2.4

Deuteranopia

#19192b · ΔE 2.4

Tritanopia

#172928 · ΔE 16.6

Achromatopsia

#1d1d1d · ΔE 11.5

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

Code

CSS

background-color: #171c30;

Tailwind (arbitrary value)

bg-[#171c30]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#171c30 (#171c30) is rgb(23, 28, 48) in RGB.

No, #171c30 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.

Try it → Accessibility

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 #171c30, or check how it holds up for accessibility.

Generate a palette → Check contrast