#666c84

Color #666c84

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 9.44 Nearest Tailwind class gray-500 #6a7282 · ΔE 4.5

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Conversions

HEX

#666c84

RGB

rgb(102, 108, 132)

HSL

hsl(228, 12.8%, 45.9%)

HSV / HSB

hsv(228, 22.7%, 51.8%)

CMYK

cmyk(22.7%, 18.2%, 0%, 48.2%)

LAB

lab(45.93, 3.31, -13.99)

LCH

lch(45.93, 14.38, 283.31)

OKLCH

oklch(53.5%, 0.0383, 274.04)

HWB

hwb(228, 40%, 48.2%)

Harmony colors

Complementary

#847e66

Analogous

#667b84

#666c84

#6f6684

Triadic

#666c84

#84666c

#6c8466

Split-complementary

#666c84

#846f66

#7b8466

Tetradic

#666c84

#7e6684

#847e66

#6c8466

Square

#666c84

#84667b

#847e66

#66846f

Shades

Color #666c84 mixed toward black.

#555a6e

#444858

#333642

#22242c

#111216

Tints

Color #666c84 mixed toward white.

#7d839b

#979caf

#b1b5c3

#cbcdd7

#e5e6eb

Tones

Color #666c84 mixed toward gray.

#696e82

#6b6f7f

#6e717d

#70727a

#737478

Accessibility

Aa White text on this color

5.19:1

Aa Black text on this color

4.04:1

White text reads better on this background (5.19:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#69697f · ΔE 2.8

Deuteranopia

#68687d · ΔE 3

Tritanopia

#667a79 · ΔE 15.7

Achromatopsia

#6d6d6d · ΔE 11.1

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

Code

CSS

background-color: #666c84;

Tailwind (arbitrary value)

bg-[#666c84]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#666c84 (#666c84) is rgb(102, 108, 132) in RGB.

No, #666c84 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 #666c84, or check how it holds up for accessibility.

Generate a palette → Check contrast