#646668

Color #646668

A nearly neutral, gray-leaning medium blue.

Closest named color Dim Gray #696969 · ΔE 1.96 Nearest Tailwind class neutral-500 #737373 · ΔE 5.3

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

Conversions

HEX

#646668

RGB

rgb(100, 102, 104)

HSL

hsl(210, 2%, 40%)

HSV / HSB

hsv(210, 3.8%, 40.8%)

CMYK

cmyk(3.8%, 1.9%, 0%, 59.2%)

LAB

lab(43.08, -0.35, -1.4)

LCH

lch(43.08, 1.44, 255.96)

OKLCH

oklch(50.9%, 0.004, 247.93)

HWB

hwb(210, 39.2%, 59.2%)

Harmony colors

Complementary

#686664

Analogous

#646868

#646668

#646468

Triadic

#646668

#686466

#666864

Split-complementary

#646668

#686464

#686864

Tetradic

#646668

#666468

#686664

#666864

Square

#646668

#686468

#686664

#646864

Shades

Color #646668 mixed toward black.

#535557

#434445

#323334

#212223

#111111

Tints

Color #646668 mixed toward white.

#7d8082

#97999b

#b1b3b4

#cbcccd

#e5e6e6

Tones

Color #646668 mixed toward gray.

#646668

#656667

#666666

Accessibility

Aa White text on this color

5.77:1

Aa Black text on this color

3.64:1

White text reads better on this background (5.77:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#656568 · ΔE 1.5

Deuteranopia

#656567 · ΔE 1.2

Tritanopia

#646767 · ΔE 1.5

Achromatopsia

#666666 · ΔE 1.5

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

Code

CSS

background-color: #646668;

Tailwind (arbitrary value)

bg-[#646668]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#646668 (#646668) is rgb(100, 102, 104) in RGB.

No, #646668 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.

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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 #646668, or check how it holds up for accessibility.

Generate a palette → Check contrast