What color is #636B63?

#636B63 is a gray, closest to the named color Armoury. It belongs to the gray family of colors.

What is the RGB value of #636B63?

The RGB value is 99, 107, 99: 99 red, 107 green and 99 blue on a 0 to 255 scale.

What is the complementary color of #636B63?

The complementary color is #6B636B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #636B63?

White text. Black text has a contrast ratio of 3.81:1 and white text 5.51:1. WCAG asks for at least 4.5:1 for normal text.

#636B63 color

#636B63 rgb(99, 107, 99)

Shades of gray

The hex color #636B63 is a gray.

In the RGB color model it is made of 38.8% red, 42% green and 38.8% blue (99, 107, 99).

Its hue angle is 120°, with 4% saturation and 40% lightness. For print, the CMYK equivalent is 7% cyan, 0% magenta, 7% yellow and 58% black.

The closest named color is Armoury (#6A6B65), a difference of 3.9 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.51:1).

#636B63 color codes

HEX	`#636B63`
RGB	`rgb(99, 107, 99)`
RGB percent	`rgb(38.8%, 42%, 38.8%)`
HSL	`hsl(120, 4%, 40%)`
HSV / HSB	`hsv(120, 7%, 42%)`
CMYK	`cmyk(7%, 0%, 7%, 58%)`
CIE LAB	`lab(44.33, -4.73, 3.43)`
CIE LCH	`lch(44.33, 5.85, 144.04)`
CIE XYZ	`xyz(12.655, 14.069, 13.851)`
Decimal	`6515555`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #636B63, 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 #636B63	Ratio	AA	AAA	AA large
Sample text	3.81:1	Fail	Fail	Pass
Sample text	5.51:1	Pass	Fail	Pass

#636B63 as text on	Ratio	AA	AAA	AA large
Sample text	5.51:1	Pass	Fail	Pass
Sample text	3.81:1	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 #636B63 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #636b63; }
.text { color: #636b63; }
.border { border: 2px solid #636b63; }
.transparent { background-color: rgb(99 107 99 / 50%); }
.gradient { background: linear-gradient(to right, #636b63, #636b67); }

Background

Text color

Border

Similar colors

Closest common color name: Ebony.

Questions

What color is #636B63?: #636B63 is a gray, closest to the named color Armoury. It belongs to the gray family of colors.
What is the RGB value of #636B63?: The RGB value is 99, 107, 99: 99 red, 107 green and 99 blue on a 0 to 255 scale.
What is the complementary color of #636B63?: The complementary color is #6B636B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #636B63?: White text. Black text has a contrast ratio of 3.81:1 and white text 5.51:1. WCAG asks for at least 4.5:1 for normal text.