#818cac

Color #818cac

A muted medium blue.

Closest named color Light Slate Gray #778899 · ΔE 9.31 Nearest Tailwind class slate-400 #90a1b9 · ΔE 7.8

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

Conversions

HEX

#818cac

RGB

rgb(129, 140, 172)

HSL

hsl(224.7, 20.6%, 59%)

HSV / HSB

hsv(224.7, 25%, 67.5%)

CMYK

cmyk(25%, 18.6%, 0%, 32.5%)

LAB

lab(58.42, 3.3, -18.15)

LCH

lch(58.42, 18.45, 280.3)

OKLCH

oklch(64.3%, 0.0497, 270.12)

HWB

hwb(224.7, 50.6%, 32.5%)

Harmony colors

Complementary

#aca181

Analogous

#81a1ac

#818cac

#8b81ac

Triadic

#818cac

#ac818c

#8cac81

Split-complementary

#818cac

#ac8b81

#a1ac81

Tetradic

#818cac

#a181ac

#aca181

#8cac81

Square

#818cac

#ac81a1

#aca181

#81ac8b

Shades

Color #818cac mixed toward black.

#647197

#505a79

#3c445b

#282d3c

#14171e

Tints

Color #818cac mixed toward white.

#969fba

#abb2c8

#c0c5d5

#d5d9e3

#eaecf1

Tones

Color #818cac mixed toward gray.

#858ea8

#888fa5

#8c91a1

#8f939e

#93959a

Accessibility

Aa White text on this color

3.34:1

Aa Black text on this color

6.28:1

Black text reads better on this background (6.28:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#8686a5 · ΔE 4.7

Deuteranopia

#8584a3 · ΔE 5.3

Tritanopia

#829f9e · ΔE 18.1

Achromatopsia

#8c8c8c · ΔE 13.2

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

Code

CSS

background-color: #818cac;

Tailwind (arbitrary value)

bg-[#818cac]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#818cac (#818cac) is rgb(129, 140, 172) in RGB.

No, #818cac 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 #818cac, or check how it holds up for accessibility.

Generate a palette → Check contrast