#172940

Color #172940

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 15.63 Nearest Tailwind class slate-800 #1d293d · ΔE 1.8

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Conversions

HEX

#172940

RGB

rgb(23, 41, 64)

HSL

hsl(213.7, 47.1%, 17.1%)

HSV / HSB

hsv(213.7, 64.1%, 25.1%)

CMYK

cmyk(64.1%, 35.9%, 0%, 74.9%)

LAB

lab(16.2, 0.89, -16.83)

LCH

lch(16.2, 16.85, 273.03)

OKLCH

oklch(27.8%, 0.049, 255.11)

HWB

hwb(213.7, 9%, 74.9%)

Harmony colors

Complementary

#402e17

Analogous

#173e40

#172940

#1a1740

Triadic

#172940

#401729

#294017

Split-complementary

#172940

#401a17

#3e4017

Tetradic

#172940

#2e1740

#402e17

#294017

Square

#172940

#40173e

#402e17

#17401a

Shades

Color #172940 mixed toward black.

#132235

#0f1b2b

#0c1520

#080e15

#04070b

Tints

Color #172940 mixed toward white.

#2a4a74

#3c6ba8

#648fc7

#97b4da

#cbdaec

Tones

Color #172940 mixed toward gray.

#1a293d

#1e2a39

#212a36

#252b32

#282b2f

Accessibility

Aa White text on this color

14.71:1

Aa Black text on this color

1.43:1

White text reads better on this background (14.71:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#20203b · ΔE 8.3

Deuteranopia

#1f1e3a · ΔE 8.9

Tritanopia

#183736 · ΔE 16.6

Achromatopsia

#282828 · ΔE 12.2

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

Code

CSS

background-color: #172940;

Tailwind (arbitrary value)

bg-[#172940]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#172940 (#172940) is rgb(23, 41, 64) in RGB.

No, #172940 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 #172940, or check how it holds up for accessibility.

Generate a palette → Check contrast