#63667b

Color #63667b

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 10.99 Nearest Tailwind class gray-500 #6a7282 · ΔE 5.7

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Conversions

HEX

#63667b

RGB

rgb(99, 102, 123)

HSL

hsl(232.5, 10.8%, 43.5%)

HSV / HSB

hsv(232.5, 19.5%, 48.2%)

CMYK

cmyk(19.5%, 17.1%, 0%, 51.8%)

LAB

lab(43.63, 3.66, -12.09)

LCH

lch(43.63, 12.63, 286.84)

OKLCH

oklch(51.5%, 0.0333, 278.81)

HWB

hwb(232.5, 38.8%, 51.8%)

Harmony colors

Complementary

#7b7863

Analogous

#63727b

#63667b

#6c637b

Triadic

#63667b

#7b6366

#667b63

Split-complementary

#63667b

#7b6c63

#727b63

Tetradic

#63667b

#78637b

#7b7863

#667b63

Square

#63667b

#7b6372

#7b7863

#637b6c

Shades

Color #63667b mixed toward black.

#525566

#424452

#31333d

#212229

#101114

Tints

Color #63667b mixed toward white.

#7a7d94

#9597a9

#afb1bf

#cacbd4

#e4e5ea

Tones

Color #63667b mixed toward gray.

#656779

#676977

#696a75

#6b6c73

#6d6d71

Accessibility

Aa White text on this color

5.65:1

Aa Black text on this color

3.72:1

White text reads better on this background (5.65:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#646476 · ΔE 1.8

Deuteranopia

#646475 · ΔE 2

Tritanopia

#637272 · ΔE 13.9

Achromatopsia

#676767 · ΔE 10.2

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

Code

CSS

background-color: #63667b;

Tailwind (arbitrary value)

bg-[#63667b]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#63667b (#63667b) is rgb(99, 102, 123) in RGB.

No, #63667b 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 #63667b, or check how it holds up for accessibility.

Generate a palette → Check contrast