#646e86

Color #646e86

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 8.54 Nearest Tailwind class gray-500 #6a7282 · ΔE 3.6

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Conversions

HEX

#646e86

RGB

rgb(100, 110, 134)

HSL

hsl(222.4, 14.5%, 45.9%)

HSV / HSB

hsv(222.4, 25.4%, 52.5%)

CMYK

cmyk(25.4%, 17.9%, 0%, 47.5%)

LAB

lab(46.42, 1.94, -14.45)

LCH

lch(46.42, 14.58, 277.65)

OKLCH

oklch(53.9%, 0.0396, 267.25)

HWB

hwb(222.4, 39.2%, 47.5%)

Harmony colors

Complementary

#867c64

Analogous

#647f86

#646e86

#6b6486

Triadic

#646e86

#86646e

#6e8664

Split-complementary

#646e86

#866b64

#7f8664

Tetradic

#646e86

#7c6486

#867c64

#6e8664

Square

#646e86

#86647f

#867c64

#64866b

Shades

Color #646e86 mixed toward black.

#535c70

#434959

#323743

#21252d

#111216

Tints

Color #646e86 mixed toward white.

#7b859d

#969eb0

#b0b6c4

#caced8

#e5e7eb

Tones

Color #646e86 mixed toward gray.

#676f83

#6a7080

#6d727e

#6f737b

#727478

Accessibility

Aa White text on this color

5.1:1

Aa Black text on this color

4.12:1

White text reads better on this background (5.1:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#686981 · ΔE 4.4

Deuteranopia

#68677f · ΔE 5.4

Tritanopia

#657c7b · ΔE 15.3

Achromatopsia

#6e6e6e · ΔE 11.1

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

Code

CSS

background-color: #646e86;

Tailwind (arbitrary value)

bg-[#646e86]

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

#646e86 (#646e86) is rgb(100, 110, 134) in RGB.

No, #646e86 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 #646e86, or check how it holds up for accessibility.

Generate a palette → Check contrast