#646f86

Color #646f86

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 7.85 Nearest Tailwind class slate-500 #62748e · ΔE 3

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Conversions

HEX

#646f86

RGB

rgb(100, 111, 134)

HSL

hsl(220.6, 14.5%, 45.9%)

HSV / HSB

hsv(220.6, 25.4%, 52.5%)

CMYK

cmyk(25.4%, 17.2%, 0%, 47.5%)

LAB

lab(46.71, 1.35, -14.01)

LCH

lch(46.71, 14.07, 275.5)

OKLCH

oklch(54.1%, 0.0385, 264.93)

HWB

hwb(220.6, 39.2%, 47.5%)

Harmony colors

Complementary

#867b64

Analogous

#648086

#646f86

#6a6486

Triadic

#646f86

#86646f

#6f8664

Split-complementary

#646f86

#866a64

#808664

Tetradic

#646f86

#7b6486

#867b64

#6f8664

Square

#646f86

#866480

#867b64

#64866a

Shades

Color #646f86 mixed toward black.

#535d70

#434a59

#323843

#21252d

#111316

Tints

Color #646f86 mixed toward white.

#7b869d

#969eb0

#b0b6c4

#cacfd8

#e5e7eb

Tones

Color #646f86 mixed toward gray.

#677083

#6a7180

#6d727e

#6f737b

#727478

Accessibility

Aa White text on this color

5.05:1

Aa Black text on this color

4.16:1

White text reads better on this background (5.05:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#696981 · ΔE 5.5

Deuteranopia

#686780 · ΔE 6.2

Tritanopia

#657d7c · ΔE 14.9

Achromatopsia

#6f6f6f · ΔE 10.7

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

Code

CSS

background-color: #646f86;

Tailwind (arbitrary value)

bg-[#646f86]

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

#646f86 (#646f86) is rgb(100, 111, 134) in RGB.

No, #646f86 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 #646f86, or check how it holds up for accessibility.

Generate a palette → Check contrast