What color is #643E57?

#643E57 is a dark, grayish rose, closest to the named color Grape Fizz. It belongs to the purple family of colors.

What is the RGB value of #643E57?

The RGB value is 100, 62, 87: 100 red, 62 green and 87 blue on a 0 to 255 scale.

What is the complementary color of #643E57?

The complementary color is #3E644B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #643E57?

White text. Black text has a contrast ratio of 2.37:1 and white text 8.87:1. WCAG asks for at least 4.5:1 for normal text.

#643E57 color

#643E57 rgb(100, 62, 87)

Shades of purple

The hex color #643E57 is a dark, grayish rose.

In the RGB color model it is made of 39.2% red, 24.3% green and 34.1% blue (100, 62, 87).

Its hue angle is 321°, with 23% saturation and 32% lightness. For print, the CMYK equivalent is 0% cyan, 38% magenta, 13% yellow and 61% black.

The closest named color is Grape Fizz (#64435F), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 8.87:1).

#643E57 color codes

HEX	`#643E57`
RGB	`rgb(100, 62, 87)`
RGB percent	`rgb(39.2%, 24.3%, 34.1%)`
HSL	`hsl(321, 23%, 32%)`
HSV / HSB	`hsv(321, 38%, 39%)`
CMYK	`cmyk(0%, 38%, 13%, 61%)`
CIE LAB	`lab(31.45, 20.81, -8.06)`
CIE LCH	`lch(31.45, 22.32, 338.83)`
CIE XYZ	`xyz(8.698, 6.843, 9.878)`
Decimal	`6569559`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #643E57, 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 #643E57	Ratio	AA	AAA	AA large
Sample text	2.37:1	Fail	Fail	Fail
Sample text	8.87:1	Pass	Pass	Pass

#643E57 as text on	Ratio	AA	AAA	AA large
Sample text	8.87:1	Pass	Pass	Pass
Sample text	2.37:1	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 #643E57 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #643e57; }
.text { color: #643e57; }
.border { border: 2px solid #643e57; }
.transparent { background-color: rgb(100 62 87 / 50%); }
.gradient { background: linear-gradient(to right, #643e57, #643e44); }

Background

Text color

Border

Similar colors

Questions

What color is #643E57?: #643E57 is a dark, grayish rose, closest to the named color Grape Fizz. It belongs to the purple family of colors.
What is the RGB value of #643E57?: The RGB value is 100, 62, 87: 100 red, 62 green and 87 blue on a 0 to 255 scale.
What is the complementary color of #643E57?: The complementary color is #3E644B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #643E57?: White text. Black text has a contrast ratio of 2.37:1 and white text 8.87:1. WCAG asks for at least 4.5:1 for normal text.