#66717f

Color #66717f

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 5.97 Nearest Tailwind class gray-500 #6a7282 · ΔE 2.2

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Conversions

HEX

#66717f

RGB

rgb(102, 113, 127)

HSL

hsl(213.6, 10.9%, 44.9%)

HSV / HSB

hsv(213.6, 19.7%, 49.8%)

CMYK

cmyk(19.7%, 11%, 0%, 50.2%)

LAB

lab(47.19, -0.9, -9.1)

LCH

lch(47.19, 9.14, 264.35)

OKLCH

oklch(54.4%, 0.0256, 254.61)

HWB

hwb(213.6, 40%, 50.2%)

Harmony colors

Complementary

#7f7466

Analogous

#667d7f

#66717f

#68667f

Triadic

#66717f

#7f6671

#717f66

Split-complementary

#66717f

#7f6866

#7d7f66

Tetradic

#66717f

#74667f

#7f7466

#717f66

Square

#66717f

#7f667d

#7f7466

#667f68

Shades

Color #66717f mixed toward black.

#555e6a

#444b55

#33383f

#22262a

#111315

Tints

Color #66717f mixed toward white.

#7d8897

#97a0ac

#b1b8c0

#cbd0d5

#e5e7ea

Tones

Color #66717f mixed toward gray.

#68717d

#6a717b

#6c7279

#6e7277

#707275

Accessibility

Aa White text on this color

4.96:1

Aa Black text on this color

4.23:1

White text reads better on this background (4.96:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6b6b7c · ΔE 6.4

Deuteranopia

#6a697b · ΔE 7.3

Tritanopia

#677979 · ΔE 9.2

Achromatopsia

#707070 · ΔE 7.6

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

Code

CSS

background-color: #66717f;

Tailwind (arbitrary value)

bg-[#66717f]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#66717f (#66717f) is rgb(102, 113, 127) in RGB.

No, #66717f 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 #66717f, or check how it holds up for accessibility.

Generate a palette → Check contrast