#171329

Color #171329

A muted very dark blue.

Closest named color Black #000000 · ΔE 18.25 Nearest Tailwind class slate-900 #0f172b · ΔE 5.6

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

Conversions

HEX

#171329

RGB

rgb(23, 19, 41)

HSL

hsl(250.9, 36.7%, 11.8%)

HSV / HSB

hsv(250.9, 53.7%, 16.1%)

CMYK

cmyk(43.9%, 53.7%, 0%, 83.9%)

LAB

lab(7.3, 8.64, -14.32)

LCH

lch(7.3, 16.72, 301.1)

OKLCH

oklch(20.4%, 0.043, 290.42)

HWB

hwb(250.9, 7.5%, 83.9%)

Harmony colors

Complementary

#252913

Analogous

#131a29

#171329

#221329

Triadic

#171329

#291713

#132917

Split-complementary

#171329

#292213

#1a2913

Tetradic

#171329

#291325

#252913

#132917

Square

#171329

#29131a

#252913

#132922

Shades

Color #171329 mixed toward black.

#131022

#0f0d1b

#0c0a15

#08060e

#040307

Tints

Color #171329 mixed toward white.

#342b5c

#514390

#7465b8

#a399d0

#d1cce7

Tones

Color #171329 mixed toward gray.

#181527

#191725

#1b1924

#1c1a22

#1d1c20

Accessibility

Aa White text on this color

18.08:1

Aa Black text on this color

1.16:1

White text reads better on this background (18.08:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#151525 · ΔE 3.8

Deuteranopia

#161624 · ΔE 4.8

Tritanopia

#172120 · ΔE 17.8

Achromatopsia

#161616 · ΔE 13.4

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

Code

CSS

background-color: #171329;

Tailwind (arbitrary value)

bg-[#171329]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#171329 (#171329) is rgb(23, 19, 41) in RGB.

No, #171329 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #171329, or check how it holds up for accessibility.

Generate a palette → Check contrast