#636971 color

#636971 rgb(99, 105, 113)
Shades of gray

The hex color #636971 is a gray.

In the RGB color model it is made of 38.8% red, 41.2% green and 44.3% blue (99, 105, 113).

Its hue angle is 214°, with 7% saturation and 42% lightness. For print, the CMYK equivalent is 12% cyan, 7% magenta, 0% yellow and 56% black.

The closest named color is Gray Web (#616669), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.54:1).

#636971 color codes

HEX#636971
RGBrgb(99, 105, 113)
RGB percentrgb(38.8%, 41.2%, 44.3%)
HSLhsl(214, 7%, 42%)
HSV / HSBhsv(214, 12%, 44%)
CMYKcmyk(12%, 7%, 0%, 56%)
CIE LABlab(44.16, -0.52, -5.26)
CIE LCHlch(44.16, 5.29, 264.33)
CIE XYZxyz(13.177, 13.948, 17.618)
Decimal6515057
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #636971, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #636971RatioAAAAAAA large
Sample text3.79:1FailFailPass
Sample text5.54:1PassFailPass
#636971 as text onRatioAAAAAAA large
Sample text5.54:1PassFailPass
Sample text3.79:1FailFailPass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #636971 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #636971; }
.text { color: #636971; }
.border { border: 2px solid #636971; }
.transparent { background-color: rgb(99 105 113 / 50%); }
.gradient { background: linear-gradient(to right, #636971, #646371); }
Background
Text color
Border

Similar colors

Questions

What color is #636971?
#636971 is a gray, closest to the named color Gray Web. It belongs to the gray family of colors.
What is the RGB value of #636971?
The RGB value is 99, 105, 113: 99 red, 105 green and 113 blue on a 0 to 255 scale.
What is the complementary color of #636971?
The complementary color is #716B63, found by rotating the hue 180° on the color wheel.
Is black or white text better on #636971?
White text. Black text has a contrast ratio of 3.79:1 and white text 5.54:1. WCAG asks for at least 4.5:1 for normal text.