#171527

Color #171527

A muted very dark blue.

Closest named color Black #000000 · ΔE 15.72 Nearest Tailwind class slate-900 #0f172b · ΔE 4.3

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Conversions

HEX

#171527

RGB

rgb(23, 21, 39)

HSL

hsl(246.7, 30%, 11.8%)

HSV / HSB

hsv(246.7, 46.2%, 15.3%)

CMYK

cmyk(41%, 46.2%, 0%, 84.7%)

LAB

lab(7.81, 6.47, -12.01)

LCH

lch(7.81, 13.64, 298.31)

OKLCH

oklch(20.8%, 0.0353, 287.97)

HWB

hwb(246.7, 8.2%, 84.7%)

Harmony colors

Complementary

#252715

Analogous

#151c27

#171527

#201527

Triadic

#171527

#271715

#152717

Split-complementary

#171527

#272015

#1c2715

Tetradic

#171527

#271525

#252715

#152717

Square

#171527

#27151c

#252715

#152720

Shades

Color #171527 mixed toward black.

#131221

#0f0e1a

#0c0b14

#08070d

#040407

Tints

Color #171527 mixed toward white.

#342f58

#514a89

#746db0

#a39ecb

#d1cee5

Tones

Color #171527 mixed toward gray.

#181726

#191824

#1b1a23

#1c1b21

#1d1d20

Accessibility

Aa White text on this color

17.9:1

Aa Black text on this color

1.17:1

White text reads better on this background (17.9:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#161623 · ΔE 3.1

Deuteranopia

#161623 · ΔE 3.1

Tritanopia

#172020 · ΔE 15

Achromatopsia

#171717 · ΔE 11.4

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

Code

CSS

background-color: #171527;

Tailwind (arbitrary value)

bg-[#171527]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#171527 (#171527) is rgb(23, 21, 39) in RGB.

No, #171527 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 #171527, or check how it holds up for accessibility.

Generate a palette → Check contrast