#818ba0

Color #818ba0

A nearly neutral, gray-leaning medium blue.

Closest named color Light Slate Gray #778899 · ΔE 3.91 Nearest Tailwind class slate-400 #90a1b9 · ΔE 7.3

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Conversions

HEX

#818ba0

RGB

rgb(129, 139, 160)

HSL

hsl(220.6, 14%, 56.7%)

HSV / HSB

hsv(220.6, 19.4%, 62.7%)

CMYK

cmyk(19.4%, 13.1%, 0%, 37.3%)

LAB

lab(57.72, 1, -12.34)

LCH

lch(57.72, 12.38, 274.63)

OKLCH

oklch(63.6%, 0.0336, 265.22)

HWB

hwb(220.6, 50.6%, 37.3%)

Harmony colors

Complementary

#a09681

Analogous

#819ba0

#818ba0

#8781a0

Triadic

#818ba0

#a0818b

#8ba081

Split-complementary

#818ba0

#a08781

#9ba081

Tetradic

#818ba0

#9681a0

#a09681

#8ba081

Square

#818ba0

#a0819b

#a09681

#81a087

Shades

Color #818ba0 mixed toward black.

#687389

#535c6e

#3e4552

#292e37

#15171b

Tints

Color #818ba0 mixed toward white.

#969eb0

#abb2c0

#c0c5d0

#d5d8df

#eaecef

Tones

Color #818ba0 mixed toward gray.

#848c9d

#868d9b

#898e98

#8b8f96

#8e9093

Accessibility

Aa White text on this color

3.42:1

Aa Black text on this color

6.13:1

Black text reads better on this background (6.13:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#85869b · ΔE 4.4

Deuteranopia

#85849a · ΔE 5.6

Tritanopia

#829796 · ΔE 13.1

Achromatopsia

#8b8b8b · ΔE 9.7

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

Code

CSS

background-color: #818ba0;

Tailwind (arbitrary value)

bg-[#818ba0]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#818ba0 (#818ba0) is rgb(129, 139, 160) in RGB.

No, #818ba0 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 #818ba0, or check how it holds up for accessibility.

Generate a palette → Check contrast