What color is #646873?

#646873 is a gray, closest to the named color Alley Cat. It belongs to the gray family of colors.

What is the RGB value of #646873?

The RGB value is 100, 104, 115: 100 red, 104 green and 115 blue on a 0 to 255 scale.

What is the complementary color of #646873?

The complementary color is #736F64, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646873?

White text. Black text has a contrast ratio of 3.77:1 and white text 5.57:1. WCAG asks for at least 4.5:1 for normal text.

#646873 color

#646873 rgb(100, 104, 115)

Shades of gray

The hex color #646873 is a gray.

In the RGB color model it is made of 39.2% red, 40.8% green and 45.1% blue (100, 104, 115).

Its hue angle is 224°, with 7% saturation and 42% lightness. For print, the CMYK equivalent is 13% cyan, 10% magenta, 0% yellow and 55% black.

The closest named color is Alley Cat (#656874), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.57:1).

#646873 color codes

HEX	`#646873`
RGB	`rgb(100, 104, 115)`
RGB percent	`rgb(39.2%, 40.8%, 45.1%)`
HSL	`hsl(224, 7%, 42%)`
HSV / HSB	`hsv(224, 13%, 45%)`
CMYK	`cmyk(13%, 10%, 0%, 55%)`
CIE LAB	`lab(44.01, 0.9, -6.68)`
CIE LCH	`lch(44.01, 6.74, 277.68)`
CIE XYZ	`xyz(13.3, 13.848, 18.188)`
Decimal	`6580339`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646873, 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 #646873	Ratio	AA	AAA	AA large
Sample text	3.77:1	Fail	Fail	Pass
Sample text	5.57:1	Pass	Fail	Pass

#646873 as text on	Ratio	AA	AAA	AA large
Sample text	5.57:1	Pass	Fail	Pass
Sample text	3.77:1	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 #646873 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646873; }
.text { color: #646873; }
.border { border: 2px solid #646873; }
.transparent { background-color: rgb(100 104 115 / 50%); }
.gradient { background: linear-gradient(to right, #646873, #686473); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #646873?: #646873 is a gray, closest to the named color Alley Cat. It belongs to the gray family of colors.
What is the RGB value of #646873?: The RGB value is 100, 104, 115: 100 red, 104 green and 115 blue on a 0 to 255 scale.
What is the complementary color of #646873?: The complementary color is #736F64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646873?: White text. Black text has a contrast ratio of 3.77:1 and white text 5.57:1. WCAG asks for at least 4.5:1 for normal text.