What color is #644C80?

#644C80 is a desaturated violet, closest to the named color Royal Robe. It belongs to the purple family of colors.

What is the RGB value of #644C80?

The RGB value is 100, 76, 128: 100 red, 76 green and 128 blue on a 0 to 255 scale.

What is the complementary color of #644C80?

The complementary color is #68804C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #644C80?

White text. Black text has a contrast ratio of 2.89:1 and white text 7.27:1. WCAG asks for at least 4.5:1 for normal text.

#644C80 color

#644C80 rgb(100, 76, 128)

Shades of purple

The hex color #644C80 is a desaturated violet.

In the RGB color model it is made of 39.2% red, 29.8% green and 50.2% blue (100, 76, 128).

Its hue angle is 268°, with 25% saturation and 40% lightness. For print, the CMYK equivalent is 22% cyan, 41% magenta, 0% yellow and 50% black.

The closest named color is Royal Robe (#614A7B), a difference of 1.1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.27:1).

#644C80 color codes

HEX	`#644C80`
RGB	`rgb(100, 76, 128)`
RGB percent	`rgb(39.2%, 29.8%, 50.2%)`
HSL	`hsl(268, 25%, 40%)`
HSV / HSB	`hsv(268, 41%, 50%)`
CMYK	`cmyk(22%, 41%, 0%, 50%)`
CIE LAB	`lab(36.81, 21.34, -25.63)`
CIE LCH	`lch(36.81, 33.35, 309.78)`
CIE XYZ	`xyz(11.735, 9.437, 21.621)`
Decimal	`6573184`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #644C80, 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 #644C80	Ratio	AA	AAA	AA large
Sample text	2.89:1	Fail	Fail	Fail
Sample text	7.27:1	Pass	Pass	Pass

#644C80 as text on	Ratio	AA	AAA	AA large
Sample text	7.27:1	Pass	Pass	Pass
Sample text	2.89:1	Fail	Fail	Fail

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 #644C80 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #644c80; }
.text { color: #644c80; }
.border { border: 2px solid #644c80; }
.transparent { background-color: rgb(100 76 128 / 50%); }
.gradient { background: linear-gradient(to right, #644c80, #7e4c80); }

Background

Text color

Border

Similar colors

Closest common color name: Royal Purple.

Questions

What color is #644C80?: #644C80 is a desaturated violet, closest to the named color Royal Robe. It belongs to the purple family of colors.
What is the RGB value of #644C80?: The RGB value is 100, 76, 128: 100 red, 76 green and 128 blue on a 0 to 255 scale.
What is the complementary color of #644C80?: The complementary color is #68804C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #644C80?: White text. Black text has a contrast ratio of 2.89:1 and white text 7.27:1. WCAG asks for at least 4.5:1 for normal text.