What color is #646775?

#646775 is a gray, closest to the named color Alley Cat. It belongs to the gray family of colors.

What is the RGB value of #646775?

The RGB value is 100, 103, 117: 100 red, 103 green and 117 blue on a 0 to 255 scale.

What is the complementary color of #646775?

The complementary color is #757264, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646775?

White text. Black text has a contrast ratio of 3.74:1 and white text 5.62:1. WCAG asks for at least 4.5:1 for normal text.

#646775 color

#646775 rgb(100, 103, 117)

Shades of gray

The hex color #646775 is a gray.

In the RGB color model it is made of 39.2% red, 40.4% green and 45.9% blue (100, 103, 117).

Its hue angle is 229°, with 8% saturation and 43% lightness. For print, the CMYK equivalent is 15% cyan, 12% magenta, 0% yellow and 54% black.

The closest named color is Alley Cat (#656874), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.62:1).

#646775 color codes

HEX	`#646775`
RGB	`rgb(100, 103, 117)`
RGB percent	`rgb(39.2%, 40.4%, 45.9%)`
HSL	`hsl(229, 8%, 43%)`
HSV / HSB	`hsv(229, 15%, 46%)`
CMYK	`cmyk(15%, 12%, 0%, 54%)`
CIE LAB	`lab(43.79, 1.97, -8.22)`
CIE LCH	`lch(43.79, 8.45, 283.46)`
CIE XYZ	`xyz(13.316, 13.694, 18.768)`
Decimal	`6580085`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646775, 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 #646775	Ratio	AA	AAA	AA large
Sample text	3.74:1	Fail	Fail	Pass
Sample text	5.62:1	Pass	Fail	Pass

#646775 as text on	Ratio	AA	AAA	AA large
Sample text	5.62:1	Pass	Fail	Pass
Sample text	3.74:1	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 #646775 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646775; }
.text { color: #646775; }
.border { border: 2px solid #646775; }
.transparent { background-color: rgb(100 103 117 / 50%); }
.gradient { background: linear-gradient(to right, #646775, #6a6475); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #646775?: #646775 is a gray, closest to the named color Alley Cat. It belongs to the gray family of colors.
What is the RGB value of #646775?: The RGB value is 100, 103, 117: 100 red, 103 green and 117 blue on a 0 to 255 scale.
What is the complementary color of #646775?: The complementary color is #757264, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646775?: White text. Black text has a contrast ratio of 3.74:1 and white text 5.62:1. WCAG asks for at least 4.5:1 for normal text.