What color is #644FB0?

#644FB0 is a desaturated violet, closest to the named color Ultrapurple Merge. It belongs to the blue family of colors.

What is the RGB value of #644FB0?

The RGB value is 100, 79, 176: 100 red, 79 green and 176 blue on a 0 to 255 scale.

What is the complementary color of #644FB0?

The complementary color is #9BB04F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #644FB0?

White text. Black text has a contrast ratio of 3.29:1 and white text 6.39:1. WCAG asks for at least 4.5:1 for normal text.

#644FB0 color

#644FB0 rgb(100, 79, 176)

Shades of blue

The hex color #644FB0 is a desaturated violet.

In the RGB color model it is made of 39.2% red, 31% green and 69% blue (100, 79, 176).

Its hue angle is 253°, with 38% saturation and 50% lightness. For print, the CMYK equivalent is 43% cyan, 55% magenta, 0% yellow and 31% black.

The closest named color is Ultrapurple Merge (#654EA3), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.39:1).

#644FB0 color codes

HEX	`#644FB0`
RGB	`rgb(100, 79, 176)`
RGB percent	`rgb(39.2%, 31%, 69%)`
HSL	`hsl(253, 38%, 50%)`
HSV / HSB	`hsv(253, 55%, 69%)`
CMYK	`cmyk(43%, 55%, 0%, 31%)`
CIE LAB	`lab(40.3, 32.73, -49.01)`
CIE LCH	`lch(40.3, 58.94, 303.73)`
CIE XYZ	`xyz(15.886, 11.435, 42.436)`
Decimal	`6574000`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #644FB0, 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 #644FB0	Ratio	AA	AAA	AA large
Sample text	3.29:1	Fail	Fail	Pass
Sample text	6.39:1	Pass	Fail	Pass

#644FB0 as text on	Ratio	AA	AAA	AA large
Sample text	6.39:1	Pass	Fail	Pass
Sample text	3.29:1	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 #644FB0 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #644fb0; }
.text { color: #644fb0; }
.border { border: 2px solid #644fb0; }
.transparent { background-color: rgb(100 79 176 / 50%); }
.gradient { background: linear-gradient(to right, #644fb0, #954fb0); }

Background

Text color

Border

Similar colors

Questions

What color is #644FB0?: #644FB0 is a desaturated violet, closest to the named color Ultrapurple Merge. It belongs to the blue family of colors.
What is the RGB value of #644FB0?: The RGB value is 100, 79, 176: 100 red, 79 green and 176 blue on a 0 to 255 scale.
What is the complementary color of #644FB0?: The complementary color is #9BB04F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #644FB0?: White text. Black text has a contrast ratio of 3.29:1 and white text 6.39:1. WCAG asks for at least 4.5:1 for normal text.