#636d7f

Color #636d7f

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 7.53 Nearest Tailwind class gray-500 #6a7282 · ΔE 2.3

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Conversions

HEX

#636d7f

RGB

rgb(99, 109, 127)

HSL

hsl(218.6, 12.4%, 44.3%)

HSV / HSB

hsv(218.6, 22%, 49.8%)

CMYK

cmyk(22%, 14.2%, 0%, 50.2%)

LAB

lab(45.8, 0.44, -11.22)

LCH

lch(45.8, 11.23, 272.25)

OKLCH

oklch(53.3%, 0.0308, 262.16)

HWB

hwb(218.6, 38.8%, 50.2%)

Harmony colors

Complementary

#7f7563

Analogous

#637b7f

#636d7f

#67637f

Triadic

#636d7f

#7f636d

#6d7f63

Split-complementary

#636d7f

#7f6763

#7b7f63

Tetradic

#636d7f

#75637f

#7f7563

#6d7f63

Square

#636d7f

#7f637b

#7f7563

#637f67

Shades

Color #636d7f mixed toward black.

#525b6a

#424955

#31363f

#21242a

#101215

Tints

Color #636d7f mixed toward white.

#7a8497

#959dac

#afb5c1

#caced6

#e4e6ea

Tones

Color #636d7f mixed toward gray.

#656e7d

#686e7a

#6a6f78

#6c7076

#6f7073

Accessibility

Aa White text on this color

5.22:1

Aa Black text on this color

4.02:1

White text reads better on this background (5.22:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#67687b · ΔE 4.8

Deuteranopia

#67667a · ΔE 6.1

Tritanopia

#647877 · ΔE 12.3

Achromatopsia

#6c6c6c · ΔE 9

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

Code

CSS

background-color: #636d7f;

Tailwind (arbitrary value)

bg-[#636d7f]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#636d7f (#636d7f) is rgb(99, 109, 127) in RGB.

No, #636d7f 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 #636d7f, or check how it holds up for accessibility.

Generate a palette → Check contrast