#818997

Color #818997

A nearly neutral, gray-leaning medium blue.

Closest named color Light Slate Gray #778899 · ΔE 3.66 Nearest Tailwind class gray-400 #99a1af · ΔE 7.9

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Conversions

HEX

#818997

RGB

rgb(129, 137, 151)

HSL

hsl(218.2, 9.6%, 54.9%)

HSV / HSB

hsv(218.2, 14.6%, 59.2%)

CMYK

cmyk(14.6%, 9.3%, 0%, 40.8%)

LAB

lab(56.87, 0.08, -8.45)

LCH

lch(56.87, 8.45, 270.54)

OKLCH

oklch(62.8%, 0.023, 261.76)

HWB

hwb(218.2, 50.6%, 40.8%)

Harmony colors

Complementary

#978f81

Analogous

#819497

#818997

#848197

Triadic

#818997

#978189

#899781

Split-complementary

#818997

#978481

#949781

Tetradic

#818997

#8f8197

#978f81

#899781

Square

#818997

#978194

#978f81

#819784

Shades

Color #818997 mixed toward black.

#697280

#545b66

#3f444d

#2a2d33

#15171a

Tints

Color #818997 mixed toward white.

#969da8

#abb0ba

#c0c4cb

#d5d8dc

#eaebee

Tones

Color #818997 mixed toward gray.

#838995

#858a93

#868a92

#888b90

#8a8b8e

Accessibility

Aa White text on this color

3.52:1

Aa Black text on this color

5.96:1

Black text reads better on this background (5.96:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#858594 · ΔE 4.3

Deuteranopia

#848393 · ΔE 5.2

Tritanopia

#819191 · ΔE 9.2

Achromatopsia

#888888 · ΔE 7.1

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

Code

CSS

background-color: #818997;

Tailwind (arbitrary value)

bg-[#818997]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#818997 (#818997) is rgb(129, 137, 151) in RGB.

No, #818997 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.

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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 #818997, or check how it holds up for accessibility.

Generate a palette → Check contrast