What color is #643A55?

#643A55 is a dark, desaturated rose, closest to the named color Royal Plum. It belongs to the purple family of colors.

What is the RGB value of #643A55?

The RGB value is 100, 58, 85: 100 red, 58 green and 85 blue on a 0 to 255 scale.

What is the complementary color of #643A55?

The complementary color is #3A6449, found by rotating the hue 180° on the color wheel.

Is black or white text better on #643A55?

White text. Black text has a contrast ratio of 2.28:1 and white text 9.22:1. WCAG asks for at least 4.5:1 for normal text.

#643A55 color

#643A55 rgb(100, 58, 85)

Shades of purple

The hex color #643A55 is a dark, desaturated rose.

In the RGB color model it is made of 39.2% red, 22.7% green and 33.3% blue (100, 58, 85).

Its hue angle is 321°, with 27% saturation and 31% lightness. For print, the CMYK equivalent is 0% cyan, 42% magenta, 15% yellow and 61% black.

The closest named color is Royal Plum (#654161), a difference of 3.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 9.22:1).

#643A55 color codes

HEX	`#643A55`
RGB	`rgb(100, 58, 85)`
RGB percent	`rgb(39.2%, 22.7%, 33.3%)`
HSL	`hsl(321, 27%, 31%)`
HSV / HSB	`hsv(321, 42%, 39%)`
CMYK	`cmyk(0%, 42%, 15%, 61%)`
CIE LAB	`lab(30.38, 22.87, -8.38)`
CIE LCH	`lch(30.38, 24.36, 339.89)`
CIE XYZ	`xyz(8.408, 6.392, 9.383)`
Decimal	`6568533`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #643A55, 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 #643A55	Ratio	AA	AAA	AA large
Sample text	2.28:1	Fail	Fail	Fail
Sample text	9.22:1	Pass	Pass	Pass

#643A55 as text on	Ratio	AA	AAA	AA large
Sample text	9.22:1	Pass	Pass	Pass
Sample text	2.28:1	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 #643A55 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #643a55; }
.text { color: #643a55; }
.border { border: 2px solid #643a55; }
.transparent { background-color: rgb(100 58 85 / 50%); }
.gradient { background: linear-gradient(to right, #643a55, #643a40); }

Background

Text color

Border

Similar colors

Questions

What color is #643A55?: #643A55 is a dark, desaturated rose, closest to the named color Royal Plum. It belongs to the purple family of colors.
What is the RGB value of #643A55?: The RGB value is 100, 58, 85: 100 red, 58 green and 85 blue on a 0 to 255 scale.
What is the complementary color of #643A55?: The complementary color is #3A6449, found by rotating the hue 180° on the color wheel.
Is black or white text better on #643A55?: White text. Black text has a contrast ratio of 2.28:1 and white text 9.22:1. WCAG asks for at least 4.5:1 for normal text.