#646f71

Color #646f71

A nearly neutral, gray-leaning medium cyan.

Closest named color Dim Gray #696969 · ΔE 4.76 Nearest Tailwind class mist-500 #67787c · ΔE 3.9

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#646f71

RGB

rgb(100, 111, 113)

HSL

hsl(189.2, 6.1%, 41.8%)

HSV / HSB

hsv(189.2, 11.5%, 44.3%)

CMYK

cmyk(11.5%, 1.8%, 0%, 55.7%)

LAB

lab(46, -3.7, -2.53)

LCH

lch(46, 4.48, 214.36)

OKLCH

oklch(53.3%, 0.0137, 209.74)

HWB

hwb(189.2, 39.2%, 55.7%)

Harmony colors

Complementary

#716664

Analogous

#64716d

#646f71

#646971

Triadic

#646f71

#71646f

#6f7164

Split-complementary

#646f71

#716469

#716d64

Tetradic

#646f71

#666471

#716664

#6f7164

Square

#646f71

#6d6471

#716664

#697164

Shades

Color #646f71 mixed toward black.

#535d5e

#434a4b

#323839

#212526

#111313

Tints

Color #646f71 mixed toward white.

#7c898b

#96a0a2

#b0b8b9

#cbd0d1

#e5e7e8

Tones

Color #646f71 mixed toward gray.

#656e70

#666e6f

#676d6e

#686c6d

#6a6b6c

Accessibility

Aa White text on this color

5.18:1

Aa Black text on this color

4.05:1

White text reads better on this background (5.18:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#696971 · ΔE 7.6

Deuteranopia

#686770 · ΔE 8.6

Tritanopia

#657070 · ΔE 1.2

Achromatopsia

#6d6d6d · ΔE 5.4

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

Code

CSS

background-color: #646f71;

Tailwind (arbitrary value)

bg-[#646f71]

Related colors

Powder Blue #b0e0e6

Light Blue #add8e6

Deep Sky Blue #00bfff

Cadet Blue #5f9ea0

Sky Blue #87ceeb

Dark Turquoise #00ced1

Frequently asked questions

#646f71 (#646f71) is rgb(100, 111, 113) in RGB.

No, #646f71 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 #646f71, or check how it holds up for accessibility.

Generate a palette → Check contrast