#666d71

Color #666d71

A nearly neutral, gray-leaning medium blue.

Closest named color Dim Gray #696969 · ΔE 3.8 Nearest Tailwind class neutral-500 #737373 · ΔE 4.7

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

Conversions

HEX

#666d71

RGB

rgb(102, 109, 113)

HSL

hsl(201.8, 5.1%, 42.2%)

HSV / HSB

hsv(201.8, 9.7%, 44.3%)

CMYK

cmyk(9.7%, 3.5%, 0%, 55.7%)

LAB

lab(45.57, -1.79, -3.14)

LCH

lch(45.57, 3.61, 240.31)

OKLCH

oklch(53%, 0.0106, 232.27)

HWB

hwb(201.8, 40%, 55.7%)

Harmony colors

Complementary

#716a66

Analogous

#667170

#666d71

#666871

Triadic

#666d71

#71666d

#6d7166

Split-complementary

#666d71

#716668

#717066

Tetradic

#666d71

#6a6671

#716a66

#6d7166

Square

#666d71

#706671

#716a66

#687166

Shades

Color #666d71 mixed toward black.

#555b5e

#44494b

#333739

#222426

#111213

Tints

Color #666d71 mixed toward white.

#7e868a

#989ea2

#b2b6b9

#cbcfd0

#e5e7e8

Tones

Color #666d71 mixed toward gray.

#676d70

#686d6f

#696c6e

#6a6c6d

#6b6c6d

Accessibility

Aa White text on this color

5.26:1

Aa Black text on this color

3.99:1

White text reads better on this background (5.26:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#696970 · ΔE 4.8

Deuteranopia

#696870 · ΔE 5.7

Tritanopia

#666f6f · ΔE 2.9

Achromatopsia

#6c6c6c · ΔE 3.8

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

Code

CSS

background-color: #666d71;

Tailwind (arbitrary value)

bg-[#666d71]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Sky Blue #87ceeb

Steel Blue #4682b4

Alice Blue #f0f8ff

Deep Sky Blue #00bfff

Frequently asked questions

#666d71 (#666d71) is rgb(102, 109, 113) in RGB.

No, #666d71 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 #666d71, or check how it holds up for accessibility.

Generate a palette → Check contrast