#818791

Color #818791

A nearly neutral, gray-leaning medium blue.

Closest named color Light Slate Gray #778899 · ΔE 5.46 Nearest Tailwind class gray-500 #6a7282 · ΔE 8.6

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Conversions

HEX

#818791

RGB

rgb(129, 135, 145)

HSL

hsl(217.5, 6.8%, 53.7%)

HSV / HSB

hsv(217.5, 11%, 56.9%)

CMYK

cmyk(11%, 6.9%, 0%, 43.1%)

LAB

lab(56.13, -0.1, -6.1)

LCH

lch(56.13, 6.1, 269.06)

OKLCH

oklch(62.2%, 0.0166, 260.65)

HWB

hwb(217.5, 50.6%, 43.1%)

Harmony colors

Complementary

#918b81

Analogous

#818f91

#818791

#838191

Triadic

#818791

#918187

#879181

Split-complementary

#818791

#918381

#8f9181

Tetradic

#818791

#8b8191

#918b81

#879181

Square

#818791

#91818f

#918b81

#819183

Shades

Color #818791 mixed toward black.

#6a707a

#555a61

#404349

#2b2d31

#151618

Tints

Color #818791 mixed toward white.

#969ba3

#abafb6

#c0c3c8

#d5d7da

#eaebed

Tones

Color #818791 mixed toward gray.

#828790

#84888e

#85888d

#86888c

#88898a

Accessibility

Aa White text on this color

3.62:1

Aa Black text on this color

5.81:1

Black text reads better on this background (5.81:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#84848f · ΔE 3.4

Deuteranopia

#83838e · ΔE 3.5

Tritanopia

#818d8c · ΔE 7.4

Achromatopsia

#878787 · ΔE 5.4

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

Code

CSS

background-color: #818791;

Tailwind (arbitrary value)

bg-[#818791]

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

#818791 (#818791) is rgb(129, 135, 145) in RGB.

No, #818791 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 #818791, or check how it holds up for accessibility.

Generate a palette → Check contrast