#66666f

Color #66666f

A nearly neutral, gray-leaning medium blue.

Closest named color Dim Gray #696969 · ΔE 5.49 Nearest Tailwind class zinc-500 #71717b · ΔE 4.3

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

Conversions

HEX

#66666f

RGB

rgb(102, 102, 111)

HSL

hsl(240, 4.2%, 41.8%)

HSV / HSB

hsv(240, 8.1%, 43.5%)

CMYK

cmyk(8.1%, 8.1%, 0%, 56.5%)

LAB

lab(43.47, 1.93, -5.05)

LCH

lch(43.47, 5.41, 290.92)

OKLCH

oklch(51.3%, 0.0141, 286.11)

HWB

hwb(240, 40%, 56.5%)

Harmony colors

Complementary

#6f6f66

Analogous

#666b6f

#66666f

#6b666f

Triadic

#66666f

#6f6666

#666f66

Split-complementary

#66666f

#6f6b66

#6b6f66

Tetradic

#66666f

#6f666f

#6f6f66

#666f66

Square

#66666f

#6f666b

#6f6f66

#666f6b

Shades

Color #66666f mixed toward black.

#55555d

#44444a

#333338

#222225

#111113

Tints

Color #66666f mixed toward white.

#7e7e89

#9898a0

#b2b2b8

#cbcbd0

#e5e5e7

Tones

Color #66666f mixed toward gray.

#67676e

#68686e

#68686d

#69696c

#6a6a6b

Accessibility

Aa White text on this color

5.68:1

Aa Black text on this color

3.7:1

White text reads better on this background (5.68:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#66666d · ΔE 1.1

Deuteranopia

#66666c · ΔE 1.6

Tritanopia

#666b6b · ΔE 6.6

Achromatopsia

#676767 · ΔE 5.1

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

Code

CSS

background-color: #66666f;

Tailwind (arbitrary value)

bg-[#66666f]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#66666f (#66666f) is rgb(102, 102, 111) in RGB.

No, #66666f 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #66666f, or check how it holds up for accessibility.

Generate a palette → Check contrast