#666f7a

Color #666f7a

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 7.32 Nearest Tailwind class gray-500 #6a7282 · ΔE 3.1

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Conversions

HEX

#666f7a

RGB

rgb(102, 111, 122)

HSL

hsl(213, 8.9%, 43.9%)

HSV / HSB

hsv(213, 16.4%, 47.8%)

CMYK

cmyk(16.4%, 9%, 0%, 52.2%)

LAB

lab(46.44, -0.91, -7.24)

LCH

lch(46.44, 7.3, 262.84)

OKLCH

oklch(53.8%, 0.0204, 253.52)

HWB

hwb(213, 40%, 52.2%)

Harmony colors

Complementary

#7a7166

Analogous

#66797a

#666f7a

#67667a

Triadic

#666f7a

#7a666f

#6f7a66

Split-complementary

#666f7a

#7a6766

#797a66

Tetradic

#666f7a

#71667a

#7a7166

#6f7a66

Square

#666f7a

#7a6679

#7a7166

#667a67

Shades

Color #666f7a mixed toward black.

#555c66

#444a51

#33373d

#222529

#111214

Tints

Color #666f7a mixed toward white.

#7d8792

#979fa8

#b1b7be

#cbcfd4

#e5e7e9

Tones

Color #666f7a mixed toward gray.

#686f78

#696f77

#6b6f75

#6d7073

#6e7072

Accessibility

Aa White text on this color

5.1:1

Aa Black text on this color

4.12:1

White text reads better on this background (5.1:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6a6a77 · ΔE 5.3

Deuteranopia

#696977 · ΔE 5.7

Tritanopia

#667575 · ΔE 7.6

Achromatopsia

#6e6e6e · ΔE 6.3

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

Code

CSS

background-color: #666f7a;

Tailwind (arbitrary value)

bg-[#666f7a]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Cornflower Blue #6495ed

Frequently asked questions

#666f7a (#666f7a) is rgb(102, 111, 122) in RGB.

No, #666f7a 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.

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 #666f7a, or check how it holds up for accessibility.

Generate a palette → Check contrast