#636c7f

Color #636c7f

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 8.06 Nearest Tailwind class gray-500 #6a7282 · ΔE 2.7

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Conversions

HEX

#636c7f

RGB

rgb(99, 108, 127)

HSL

hsl(220.7, 12.4%, 44.3%)

HSV / HSB

hsv(220.7, 22%, 49.8%)

CMYK

cmyk(22%, 15%, 0%, 50.2%)

LAB

lab(45.51, 1.04, -11.66)

LCH

lch(45.51, 11.71, 275.1)

OKLCH

oklch(53.1%, 0.0319, 265.33)

HWB

hwb(220.7, 38.8%, 50.2%)

Harmony colors

Complementary

#7f7663

Analogous

#637a7f

#636c7f

#68637f

Triadic

#636c7f

#7f636c

#6c7f63

Split-complementary

#636c7f

#7f6863

#7a7f63

Tetradic

#636c7f

#76637f

#7f7663

#6c7f63

Square

#636c7f

#7f637a

#7f7663

#637f68

Shades

Color #636c7f mixed toward black.

#525a6a

#424855

#31363f

#21242a

#101215

Tints

Color #636c7f mixed toward white.

#7a8397

#959cac

#afb5c1

#caced6

#e4e6ea

Tones

Color #636c7f mixed toward gray.

#656d7d

#686e7a

#6a6e78

#6c6f76

#6f7073

Accessibility

Aa White text on this color

5.27:1

Aa Black text on this color

3.98:1

White text reads better on this background (5.27:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#67677b · ΔE 4.8

Deuteranopia

#66667a · ΔE 4.9

Tritanopia

#637776 · ΔE 12.9

Achromatopsia

#6c6c6c · ΔE 9.3

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

Code

CSS

background-color: #636c7f;

Tailwind (arbitrary value)

bg-[#636c7f]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#636c7f (#636c7f) is rgb(99, 108, 127) in RGB.

No, #636c7f 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 #636c7f, or check how it holds up for accessibility.

Generate a palette → Check contrast