#63637d

Color #63637d

A nearly neutral, gray-leaning medium blue.

Closest named color Slate Gray #708090 · ΔE 13.46 Nearest Tailwind class mauve-500 #79697b · ΔE 8

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

Conversions

HEX

#63637d

RGB

rgb(99, 99, 125)

HSL

hsl(240, 11.6%, 43.9%)

HSV / HSB

hsv(240, 20.8%, 49%)

CMYK

cmyk(20.8%, 20.8%, 0%, 51%)

LAB

lab(42.85, 5.98, -14.49)

LCH

lch(42.85, 15.68, 292.43)

OKLCH

oklch(50.9%, 0.041, 284.85)

HWB

hwb(240, 38.8%, 51%)

Harmony colors

Complementary

#7d7d63

Analogous

#63707d

#63637d

#70637d

Triadic

#63637d

#7d6363

#637d63

Split-complementary

#63637d

#7d7063

#707d63

Tetradic

#63637d

#7d637d

#7d7d63

#637d63

Square

#63637d

#7d6370

#7d7d63

#637d70

Shades

Color #63637d mixed toward black.

#525268

#424253

#31313e

#21212a

#101015

Tints

Color #63637d mixed toward white.

#7a7a96

#9595ab

#afafc0

#cacad5

#e4e4ea

Tones

Color #63637d mixed toward gray.

#65657b

#676779

#696976

#6c6c74

#6e6e72

Accessibility

Aa White text on this color

5.81:1

Aa Black text on this color

3.61:1

White text reads better on this background (5.81:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#636377 · ΔE 2.4

Deuteranopia

#636376 · ΔE 2.8

Tritanopia

#637372 · ΔE 17.2

Achromatopsia

#656565 · ΔE 12.3

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

Code

CSS

background-color: #63637d;

Tailwind (arbitrary value)

bg-[#63637d]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#63637d (#63637d) is rgb(99, 99, 125) in RGB.

No, #63637d 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #63637d, or check how it holds up for accessibility.

Generate a palette → Check contrast