What color is #644D91?

#644D91 is a desaturated violet, closest to the named color Passion Flower. It belongs to the purple family of colors.

What is the RGB value of #644D91?

The RGB value is 100, 77, 145: 100 red, 77 green and 145 blue on a 0 to 255 scale.

What is the complementary color of #644D91?

The complementary color is #7A914D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #644D91?

White text. Black text has a contrast ratio of 3.01:1 and white text 6.97:1. WCAG asks for at least 4.5:1 for normal text.

#644D91 color

#644D91 rgb(100, 77, 145)

Shades of purple

The hex color #644D91 is a desaturated violet.

In the RGB color model it is made of 39.2% red, 30.2% green and 56.9% blue (100, 77, 145).

Its hue angle is 260°, with 31% saturation and 44% lightness. For print, the CMYK equivalent is 31% cyan, 47% magenta, 0% yellow and 43% black.

The closest named color is Passion Flower (#6F5698), a difference of 3.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.97:1).

#644D91 color codes

HEX	`#644D91`
RGB	`rgb(100, 77, 145)`
RGB percent	`rgb(39.2%, 30.2%, 56.9%)`
HSL	`hsl(260, 31%, 44%)`
HSV / HSB	`hsv(260, 47%, 57%)`
CMYK	`cmyk(31%, 47%, 0%, 43%)`
CIE LAB	`lab(37.95, 25.19, -34.22)`
CIE LCH	`lch(37.95, 42.49, 306.36)`
CIE XYZ	`xyz(13.019, 10.061, 28.039)`
Decimal	`6573457`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #644D91, 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 #644D91	Ratio	AA	AAA	AA large
Sample text	3.01:1	Fail	Fail	Pass
Sample text	6.97:1	Pass	Fail	Pass

#644D91 as text on	Ratio	AA	AAA	AA large
Sample text	6.97:1	Pass	Fail	Pass
Sample text	3.01:1	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 #644D91 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #644d91; }
.text { color: #644d91; }
.border { border: 2px solid #644d91; }
.transparent { background-color: rgb(100 77 145 / 50%); }
.gradient { background: linear-gradient(to right, #644d91, #864d91); }

Background

Text color

Border

Similar colors

Closest common color name: Royal Purple.

Questions

What color is #644D91?: #644D91 is a desaturated violet, closest to the named color Passion Flower. It belongs to the purple family of colors.
What is the RGB value of #644D91?: The RGB value is 100, 77, 145: 100 red, 77 green and 145 blue on a 0 to 255 scale.
What is the complementary color of #644D91?: The complementary color is #7A914D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #644D91?: White text. Black text has a contrast ratio of 3.01:1 and white text 6.97:1. WCAG asks for at least 4.5:1 for normal text.