#636b7c

Color #636b7c

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 8.3 Nearest Tailwind class gray-500 #6a7282 · ΔE 2.7

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Conversions

HEX

#636b7c

RGB

rgb(99, 107, 124)

HSL

hsl(220.8, 11.2%, 43.7%)

HSV / HSB

hsv(220.8, 20.2%, 48.6%)

CMYK

cmyk(20.2%, 13.7%, 0%, 51.4%)

LAB

lab(45.11, 0.89, -10.46)

LCH

lch(45.11, 10.5, 274.86)

OKLCH

oklch(52.7%, 0.0285, 265.37)

HWB

hwb(220.8, 38.8%, 51.4%)

Harmony colors

Complementary

#7c7463

Analogous

#63777c

#636b7c

#67637c

Triadic

#636b7c

#7c636b

#6b7c63

Split-complementary

#636b7c

#7c6763

#777c63

Tetradic

#636b7c

#74637c

#7c7463

#6b7c63

Square

#636b7c

#7c6377

#7c7463

#637c67

Shades

Color #636b7c mixed toward black.

#525967

#424753

#31353e

#212429

#101215

Tints

Color #636b7c mixed toward white.

#7a8395

#959baa

#afb4bf

#cacdd5

#e4e6ea

Tones

Color #636b7c mixed toward gray.

#656c7a

#676c78

#696d76

#6b6e74

#6d6f72

Accessibility

Aa White text on this color

5.35:1

Aa Black text on this color

3.92:1

White text reads better on this background (5.35:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#676778 · ΔE 4.2

Deuteranopia

#666577 · ΔE 5

Tritanopia

#637574 · ΔE 11.9

Achromatopsia

#6b6b6b · ΔE 8.5

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

Code

CSS

background-color: #636b7c;

Tailwind (arbitrary value)

bg-[#636b7c]

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

#636b7c (#636b7c) is rgb(99, 107, 124) in RGB.

No, #636b7c 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 #636b7c, or check how it holds up for accessibility.

Generate a palette → Check contrast