What color is #646C75?

#646C75 is a gray, closest to the named color Made in the Shade. It belongs to the gray family of colors.

What is the RGB value of #646C75?

The RGB value is 100, 108, 117: 100 red, 108 green and 117 blue on a 0 to 255 scale.

What is the complementary color of #646C75?

The complementary color is #756D64, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646C75?

White text. Black text has a contrast ratio of 3.94:1 and white text 5.32:1. WCAG asks for at least 4.5:1 for normal text.

#646C75 color

#646C75 rgb(100, 108, 117)

Shades of gray

The hex color #646C75 is a gray.

In the RGB color model it is made of 39.2% red, 42.4% green and 45.9% blue (100, 108, 117).

Its hue angle is 212°, with 8% saturation and 43% lightness. For print, the CMYK equivalent is 15% cyan, 8% magenta, 0% yellow and 54% black.

The closest named color is Made in the Shade (#6B717A), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.32:1).

#646C75 color codes

HEX	`#646C75`
RGB	`rgb(100, 108, 117)`
RGB percent	`rgb(39.2%, 42.4%, 45.9%)`
HSL	`hsl(212, 8%, 43%)`
HSV / HSB	`hsv(212, 15%, 46%)`
CMYK	`cmyk(15%, 8%, 0%, 54%)`
CIE LAB	`lab(45.25, -1.02, -6.04)`
CIE LCH	`lch(45.25, 6.13, 260.43)`
CIE XYZ	`xyz(13.828, 14.719, 18.939)`
Decimal	`6581365`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646C75, 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 #646C75	Ratio	AA	AAA	AA large
Sample text	3.94:1	Fail	Fail	Pass
Sample text	5.32:1	Pass	Fail	Pass

#646C75 as text on	Ratio	AA	AAA	AA large
Sample text	5.32:1	Pass	Fail	Pass
Sample text	3.94:1	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 #646C75 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646c75; }
.text { color: #646c75; }
.border { border: 2px solid #646c75; }
.transparent { background-color: rgb(100 108 117 / 50%); }
.gradient { background: linear-gradient(to right, #646c75, #656475); }

Background

Text color

Border

Similar colors

Questions

What color is #646C75?: #646C75 is a gray, closest to the named color Made in the Shade. It belongs to the gray family of colors.
What is the RGB value of #646C75?: The RGB value is 100, 108, 117: 100 red, 108 green and 117 blue on a 0 to 255 scale.
What is the complementary color of #646C75?: The complementary color is #756D64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646C75?: White text. Black text has a contrast ratio of 3.94:1 and white text 5.32:1. WCAG asks for at least 4.5:1 for normal text.