What color is #636E80?

#636E80 is a grayish azure, closest to the named color Ashen Whisper. It belongs to the gray family of colors.

What is the RGB value of #636E80?

The RGB value is 99, 110, 128: 99 red, 110 green and 128 blue on a 0 to 255 scale.

What is the complementary color of #636E80?

The complementary color is #807563, found by rotating the hue 180° on the color wheel.

Is black or white text better on #636E80?

White text. Black text has a contrast ratio of 4.07:1 and white text 5.16:1. WCAG asks for at least 4.5:1 for normal text.

#636E80 color

#636E80 rgb(99, 110, 128)

Shades of gray

The hex color #636E80 is a grayish azure.

In the RGB color model it is made of 38.8% red, 43.1% green and 50.2% blue (99, 110, 128).

Its hue angle is 217°, with 13% saturation and 45% lightness. For print, the CMYK equivalent is 23% cyan, 14% magenta, 0% yellow and 50% black.

The closest named color is Ashen Whisper (#646B7A), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.16:1).

#636E80 color codes

HEX	`#636E80`
RGB	`rgb(99, 110, 128)`
RGB percent	`rgb(38.8%, 43.1%, 50.2%)`
HSL	`hsl(217, 13%, 45%)`
HSV / HSB	`hsv(217, 23%, 50%)`
CMYK	`cmyk(23%, 14%, 0%, 50%)`
CIE LAB	`lab(46.13, 0.09, -11.32)`
CIE LCH	`lch(46.13, 11.32, 270.47)`
CIE XYZ	`xyz(14.617, 15.363, 22.613)`
Decimal	`6516352`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #636E80, 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 #636E80	Ratio	AA	AAA	AA large
Sample text	4.07:1	Fail	Fail	Pass
Sample text	5.16:1	Pass	Fail	Pass

#636E80 as text on	Ratio	AA	AAA	AA large
Sample text	5.16:1	Pass	Fail	Pass
Sample text	4.07:1	Fail	Fail	Pass

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 #636E80 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #636e80; }
.text { color: #636e80; }
.border { border: 2px solid #636e80; }
.transparent { background-color: rgb(99 110 128 / 50%); }
.gradient { background: linear-gradient(to right, #636e80, #676380); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #636E80?: #636E80 is a grayish azure, closest to the named color Ashen Whisper. It belongs to the gray family of colors.
What is the RGB value of #636E80?: The RGB value is 99, 110, 128: 99 red, 110 green and 128 blue on a 0 to 255 scale.
What is the complementary color of #636E80?: The complementary color is #807563, found by rotating the hue 180° on the color wheel.
Is black or white text better on #636E80?: White text. Black text has a contrast ratio of 4.07:1 and white text 5.16:1. WCAG asks for at least 4.5:1 for normal text.