What color is #645D75?

#645D75 is a grayish violet, closest to the named color Plummy. It belongs to the purple family of colors.

What is the RGB value of #645D75?

The RGB value is 100, 93, 117: 100 red, 93 green and 117 blue on a 0 to 255 scale.

What is the complementary color of #645D75?

The complementary color is #6E755D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645D75?

White text. Black text has a contrast ratio of 3.36:1 and white text 6.24:1. WCAG asks for at least 4.5:1 for normal text.

#645D75 color

#645D75 rgb(100, 93, 117)

Shades of purple

The hex color #645D75 is a grayish violet.

In the RGB color model it is made of 39.2% red, 36.5% green and 45.9% blue (100, 93, 117).

Its hue angle is 258°, with 11% saturation and 41% lightness. For print, the CMYK equivalent is 15% cyan, 21% magenta, 0% yellow and 54% black.

The closest named color is Plummy (#675A75), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.24:1).

#645D75 color codes

HEX	`#645D75`
RGB	`rgb(100, 93, 117)`
RGB percent	`rgb(39.2%, 36.5%, 45.9%)`
HSL	`hsl(258, 11%, 41%)`
HSV / HSB	`hsv(258, 21%, 46%)`
CMYK	`cmyk(15%, 21%, 0%, 54%)`
CIE LAB	`lab(40.93, 8.06, -12.53)`
CIE LCH	`lch(40.93, 14.89, 302.75)`
CIE XYZ	`xyz(12.38, 11.822, 18.456)`
Decimal	`6577525`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645D75, 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 #645D75	Ratio	AA	AAA	AA large
Sample text	3.36:1	Fail	Fail	Pass
Sample text	6.24:1	Pass	Fail	Pass

#645D75 as text on	Ratio	AA	AAA	AA large
Sample text	6.24:1	Pass	Fail	Pass
Sample text	3.36:1	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 #645D75 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645d75; }
.text { color: #645d75; }
.border { border: 2px solid #645d75; }
.transparent { background-color: rgb(100 93 117 / 50%); }
.gradient { background: linear-gradient(to right, #645d75, #705d75); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #645D75?: #645D75 is a grayish violet, closest to the named color Plummy. It belongs to the purple family of colors.
What is the RGB value of #645D75?: The RGB value is 100, 93, 117: 100 red, 93 green and 117 blue on a 0 to 255 scale.
What is the complementary color of #645D75?: The complementary color is #6E755D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645D75?: White text. Black text has a contrast ratio of 3.36:1 and white text 6.24:1. WCAG asks for at least 4.5:1 for normal text.