#818899

Color #818899

A nearly neutral, gray-leaning medium blue.

Closest named color Light Slate Gray #778899 · ΔE 3.63 Nearest Tailwind class gray-400 #99a1af · ΔE 8.3

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Conversions

HEX

#818899

RGB

rgb(129, 136, 153)

HSL

hsl(222.5, 10.5%, 55.3%)

HSV / HSB

hsv(222.5, 15.7%, 60%)

CMYK

cmyk(15.7%, 11.1%, 0%, 40%)

LAB

lab(56.66, 1.1, -9.92)

LCH

lch(56.66, 9.98, 276.33)

OKLCH

oklch(62.7%, 0.0268, 267.86)

HWB

hwb(222.5, 50.6%, 40%)

Harmony colors

Complementary

#999281

Analogous

#819499

#818899

#868199

Triadic

#818899

#998188

#889981

Split-complementary

#818899

#998681

#949981

Tetradic

#818899

#928199

#999281

#889981

Square

#818899

#998194

#999281

#819986

Shades

Color #818899 mixed toward black.

#697082

#545a68

#3f434e

#2a2d34

#15161a

Tints

Color #818899 mixed toward white.

#969caa

#abb0bb

#c0c4cc

#d5d7dd

#eaebee

Tones

Color #818899 mixed toward gray.

#838997

#858a95

#878b93

#898b91

#8b8c8f

Accessibility

Aa White text on this color

3.55:1

Aa Black text on this color

5.92:1

Black text reads better on this background (5.92:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#848495 · ΔE 3.6

Deuteranopia

#848394 · ΔE 4.2

Tritanopia

#819291 · ΔE 11.5

Achromatopsia

#888888 · ΔE 8.2

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

Code

CSS

background-color: #818899;

Tailwind (arbitrary value)

bg-[#818899]

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

#818899 (#818899) is rgb(129, 136, 153) in RGB.

No, #818899 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 #818899, or check how it holds up for accessibility.

Generate a palette → Check contrast