What color is #636F85?

#636F85 is a grayish azure, closest to the named color Ashen Whisper. It belongs to the blue family of colors.

What is the RGB value of #636F85?

The RGB value is 99, 111, 133: 99 red, 111 green and 133 blue on a 0 to 255 scale.

What is the complementary color of #636F85?

The complementary color is #857963, found by rotating the hue 180° on the color wheel.

Is black or white text better on #636F85?

White text. Black text has a contrast ratio of 4.14:1 and white text 5.07:1. WCAG asks for at least 4.5:1 for normal text.

#636F85 color

#636F85 rgb(99, 111, 133)

Shades of blue

The hex color #636F85 is a grayish azure.

In the RGB color model it is made of 38.8% red, 43.5% green and 52.2% blue (99, 111, 133).

Its hue angle is 219°, with 15% saturation and 45% lightness. For print, the CMYK equivalent is 26% cyan, 17% magenta, 0% yellow and 48% black.

The closest named color is Ashen Whisper (#646B7A), a difference of 3.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.07:1).

#636F85 color codes

HEX	`#636F85`
RGB	`rgb(99, 111, 133)`
RGB percent	`rgb(38.8%, 43.5%, 52.2%)`
HSL	`hsl(219, 15%, 45%)`
HSV / HSB	`hsv(219, 26%, 52%)`
CMYK	`cmyk(26%, 17%, 0%, 48%)`
CIE LAB	`lab(46.6, 0.76, -13.6)`
CIE LCH	`lch(46.6, 13.62, 273.19)`
CIE XYZ	`xyz(15.063, 15.715, 24.425)`
Decimal	`6516613`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #636F85, 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 #636F85	Ratio	AA	AAA	AA large
Sample text	4.14:1	Fail	Fail	Pass
Sample text	5.07:1	Pass	Fail	Pass

#636F85 as text on	Ratio	AA	AAA	AA large
Sample text	5.07:1	Pass	Fail	Pass
Sample text	4.14:1	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 #636F85 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #636f85; }
.text { color: #636f85; }
.border { border: 2px solid #636f85; }
.transparent { background-color: rgb(99 111 133 / 50%); }
.gradient { background: linear-gradient(to right, #636f85, #686385); }

Background

Text color

Border

Similar colors

Closest common color name: Slate Gray.

Questions

What color is #636F85?: #636F85 is a grayish azure, closest to the named color Ashen Whisper. It belongs to the blue family of colors.
What is the RGB value of #636F85?: The RGB value is 99, 111, 133: 99 red, 111 green and 133 blue on a 0 to 255 scale.
What is the complementary color of #636F85?: The complementary color is #857963, found by rotating the hue 180° on the color wheel.
Is black or white text better on #636F85?: White text. Black text has a contrast ratio of 4.14:1 and white text 5.07:1. WCAG asks for at least 4.5:1 for normal text.