#666685

Color #666685

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 14.27 Nearest Tailwind class mauve-500 #79697b · ΔE 8.2

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

Conversions

HEX

#666685

RGB

rgb(102, 102, 133)

HSL

hsl(240, 13.2%, 46.1%)

HSV / HSB

hsv(240, 23.3%, 52.2%)

CMYK

cmyk(23.3%, 23.3%, 0%, 47.8%)

LAB

lab(44.26, 7.19, -17.13)

LCH

lch(44.26, 18.58, 292.77)

OKLCH

oklch(52.2%, 0.0486, 284.55)

HWB

hwb(240, 40%, 47.8%)

Harmony colors

Complementary

#858566

Analogous

#667685

#666685

#766685

Triadic

#666685

#856666

#668566

Split-complementary

#666685

#857666

#768566

Tetradic

#666685

#856685

#858566

#668566

Square

#666685

#856676

#858566

#668576

Shades

Color #666685 mixed toward black.

#55556f

#444459

#333343

#22222c

#111116

Tints

Color #666685 mixed toward white.

#7d7d9c

#9797af

#b1b1c3

#cbcbd7

#e5e5eb

Tones

Color #666685 mixed toward gray.

#696982

#6b6b80

#6e6e7d

#70707b

#737378

Accessibility

Aa White text on this color

5.52:1

Aa Black text on this color

3.8:1

White text reads better on this background (5.52:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#66667e · ΔE 2.5

Deuteranopia

#66667d · ΔE 2.9

Tritanopia

#667978 · ΔE 19.3

Achromatopsia

#696969 · ΔE 13.9

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

Code

CSS

background-color: #666685;

Tailwind (arbitrary value)

bg-[#666685]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#666685 (#666685) is rgb(102, 102, 133) in RGB.

No, #666685 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 #666685, or check how it holds up for accessibility.

Generate a palette → Check contrast