What color is #646971?

#646971 is a gray, closest to the named color Alley Cat. It belongs to the gray family of colors.

What is the RGB value of #646971?

The RGB value is 100, 105, 113: 100 red, 105 green and 113 blue on a 0 to 255 scale.

What is the complementary color of #646971?

The complementary color is #716C64, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646971?

White text. Black text has a contrast ratio of 3.8:1 and white text 5.52:1. WCAG asks for at least 4.5:1 for normal text.

#646971 color

#646971 rgb(100, 105, 113)

Shades of gray

The hex color #646971 is a gray.

In the RGB color model it is made of 39.2% red, 41.2% green and 44.3% blue (100, 105, 113).

Its hue angle is 217°, with 6% saturation and 42% lightness. For print, the CMYK equivalent is 12% cyan, 7% magenta, 0% yellow and 56% black.

The closest named color is Alley Cat (#656874), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.52:1).

#646971 color codes

HEX	`#646971`
RGB	`rgb(100, 105, 113)`
RGB percent	`rgb(39.2%, 41.2%, 44.3%)`
HSL	`hsl(217, 6%, 42%)`
HSV / HSB	`hsv(217, 12%, 44%)`
CMYK	`cmyk(12%, 7%, 0%, 56%)`
CIE LAB	`lab(44.24, -0.16, -5.13)`
CIE LCH	`lch(44.24, 5.13, 268.27)`
CIE XYZ	`xyz(13.287, 14.005, 17.623)`
Decimal	`6580593`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646971, 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 #646971	Ratio	AA	AAA	AA large
Sample text	3.8:1	Fail	Fail	Pass
Sample text	5.52:1	Pass	Fail	Pass

#646971 as text on	Ratio	AA	AAA	AA large
Sample text	5.52:1	Pass	Fail	Pass
Sample text	3.8:1	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 #646971 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646971; }
.text { color: #646971; }
.border { border: 2px solid #646971; }
.transparent { background-color: rgb(100 105 113 / 50%); }
.gradient { background: linear-gradient(to right, #646971, #656471); }

Background

Text color

Border

Similar colors

Questions

What color is #646971?: #646971 is a gray, closest to the named color Alley Cat. It belongs to the gray family of colors.
What is the RGB value of #646971?: The RGB value is 100, 105, 113: 100 red, 105 green and 113 blue on a 0 to 255 scale.
What is the complementary color of #646971?: The complementary color is #716C64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646971?: White text. Black text has a contrast ratio of 3.8:1 and white text 5.52:1. WCAG asks for at least 4.5:1 for normal text.