#666c7a

Color #666c7a

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 8.13 Nearest Tailwind class gray-500 #6a7282 · ΔE 2.5

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Conversions

HEX

#666c7a

RGB

rgb(102, 108, 122)

HSL

hsl(222, 8.9%, 43.9%)

HSV / HSB

hsv(222, 16.4%, 47.8%)

CMYK

cmyk(16.4%, 11.5%, 0%, 52.2%)

LAB

lab(45.57, 0.87, -8.54)

LCH

lch(45.57, 8.58, 275.82)

OKLCH

oklch(53.1%, 0.0231, 267.03)

HWB

hwb(222, 40%, 52.2%)

Harmony colors

Complementary

#7a7466

Analogous

#66767a

#666c7a

#6a667a

Triadic

#666c7a

#7a666c

#6c7a66

Split-complementary

#666c7a

#7a6a66

#767a66

Tetradic

#666c7a

#74667a

#7a7466

#6c7a66

Square

#666c7a

#7a6676

#7a7466

#667a6a

Shades

Color #666c7a mixed toward black.

#555a66

#444851

#33363d

#222429

#111214

Tints

Color #666c7a mixed toward white.

#7d8492

#979ca8

#b1b5be

#cbced4

#e5e6e9

Tones

Color #666c7a mixed toward gray.

#686d78

#696d77

#6b6e75

#6d6f73

#6e6f72

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

#696977 · ΔE 3.2

Deuteranopia

#686876 · ΔE 3.3

Tritanopia

#667474 · ΔE 9.7

Achromatopsia

#6c6c6c · ΔE 7.2

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

Code

CSS

background-color: #666c7a;

Tailwind (arbitrary value)

bg-[#666c7a]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#666c7a (#666c7a) is rgb(102, 108, 122) in RGB.

No, #666c7a 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 #666c7a, or check how it holds up for accessibility.

Generate a palette → Check contrast