#171820

Color #171820

A muted very dark blue.

Closest named color Black #000000 · ΔE 10.39 Nearest Tailwind class zinc-900 #18181b · ΔE 3.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#171820

RGB

rgb(23, 24, 32)

HSL

hsl(233.3, 16.4%, 10.8%)

HSV / HSB

hsv(233.3, 28.1%, 12.5%)

CMYK

cmyk(28.1%, 25%, 0%, 87.5%)

LAB

lab(8.48, 1.84, -5.72)

LCH

lch(8.48, 6.01, 287.83)

OKLCH

oklch(21.2%, 0.0158, 279.46)

HWB

hwb(233.3, 9%, 87.5%)

Harmony colors

Complementary

#201f17

Analogous

#171d20

#171820

#1b1720

Triadic

#171820

#201718

#182017

Split-complementary

#171820

#201b17

#1d2017

Tetradic

#171820

#1f1720

#201f17

#182017

Square

#171820

#20171d

#201f17

#17201b

Shades

Color #171820 mixed toward black.

#13141b

#0f1015

#0c0c10

#08080b

#040405

Tints

Color #171820 mixed toward white.

#37394c

#565a78

#7b7fa0

#a7aac0

#d3d4df

Tones

Color #171820 mixed toward gray.

#18191f

#19191f

#191a1e

#1a1a1d

#1b1b1c

Accessibility

Aa White text on this color

17.68:1

Aa Black text on this color

1.19:1

White text reads better on this background (17.68:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#17171e · ΔE 0.8

Deuteranopia

#17171e · ΔE 0.8

Tritanopia

#171d1c · ΔE 8.1

Achromatopsia

#181818 · ΔE 5.6

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

Code

CSS

background-color: #171820;

Tailwind (arbitrary value)

bg-[#171820]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#171820 (#171820) is rgb(23, 24, 32) in RGB.

No, #171820 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #171820, or check how it holds up for accessibility.

Generate a palette → Check contrast