What color is #643A72?

#643A72 is a dark, desaturated magenta, closest to the named color Heartless. It belongs to the purple family of colors.

What is the RGB value of #643A72?

The RGB value is 100, 58, 114: 100 red, 58 green and 114 blue on a 0 to 255 scale.

What is the complementary color of #643A72?

The complementary color is #48723A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #643A72?

White text. Black text has a contrast ratio of 2.39:1 and white text 8.79:1. WCAG asks for at least 4.5:1 for normal text.

#643A72 color

#643A72 rgb(100, 58, 114)

Shades of purple

The hex color #643A72 is a dark, desaturated magenta.

In the RGB color model it is made of 39.2% red, 22.7% green and 44.7% blue (100, 58, 114).

Its hue angle is 285°, with 33% saturation and 34% lightness. For print, the CMYK equivalent is 12% cyan, 49% magenta, 0% yellow and 55% black.

The closest named color is Heartless (#623B70), a difference of 0.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.79:1).

#643A72 color codes

HEX	`#643A72`
RGB	`rgb(100, 58, 114)`
RGB percent	`rgb(39.2%, 22.7%, 44.7%)`
HSL	`hsl(285, 33%, 34%)`
HSV / HSB	`hsv(285, 49%, 45%)`
CMYK	`cmyk(12%, 49%, 0%, 55%)`
CIE LAB	`lab(31.69, 28.92, -24.91)`
CIE LCH	`lch(31.69, 38.17, 319.26)`
CIE XYZ	`xyz(9.805, 6.951, 16.741)`
Decimal	`6568562`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #643A72, 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 #643A72	Ratio	AA	AAA	AA large
Sample text	2.39:1	Fail	Fail	Fail
Sample text	8.79:1	Pass	Pass	Pass

#643A72 as text on	Ratio	AA	AAA	AA large
Sample text	8.79:1	Pass	Pass	Pass
Sample text	2.39:1	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 #643A72 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #643a72; }
.text { color: #643a72; }
.border { border: 2px solid #643a72; }
.transparent { background-color: rgb(100 58 114 / 50%); }
.gradient { background: linear-gradient(to right, #643a72, #723a64); }

Background

Text color

Border

Similar colors

Closest common color name: Byzantium.

Questions

What color is #643A72?: #643A72 is a dark, desaturated magenta, closest to the named color Heartless. It belongs to the purple family of colors.
What is the RGB value of #643A72?: The RGB value is 100, 58, 114: 100 red, 58 green and 114 blue on a 0 to 255 scale.
What is the complementary color of #643A72?: The complementary color is #48723A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #643A72?: White text. Black text has a contrast ratio of 2.39:1 and white text 8.79:1. WCAG asks for at least 4.5:1 for normal text.