#643B63 color
The hex color #643B63 is a dark, desaturated magenta.
In the RGB color model it is made of 39.2% red, 23.1% green and 38.8% blue (100, 59, 99).
Its hue angle is 301°, with 26% saturation and 31% lightness. For print, the CMYK equivalent is 0% cyan, 41% magenta, 1% yellow and 61% black.
The closest named color is Wine Tour (#653B66), a difference of 0.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 8.95:1).
#643B63 color codes
| HEX | #643B63 | |
|---|---|---|
| RGB | rgb(100, 59, 99) | |
| RGB percent | rgb(39.2%, 23.1%, 38.8%) | |
| HSL | hsl(301, 26%, 31%) | |
| HSV / HSB | hsv(301, 41%, 39%) | |
| CMYK | cmyk(0%, 41%, 1%, 61%) | |
| CIE LAB | lab(31.2, 25.03, -16.14) | |
| CIE LCH | lch(31.2, 29.78, 327.19) | |
| CIE XYZ | xyz(9.071, 6.739, 12.625) | |
| Decimal | 6568803 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #643B63, 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 #643B63 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.35:1 | Fail | Fail | Fail |
| Sample text | 8.95:1 | Pass | Pass | Pass |
| #643B63 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 8.95:1 | Pass | Pass | Pass |
| Sample text | 2.35:1 | 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 #643B63 looks to people with the most common types of color vision deficiency.
#384664Protanopia
no red cones#434b62Deuteranopia
no green cones#673f4aTritanopia
no blue cones#494949Achromatopsia
no color vision
CSS examples
.background { background-color: #643b63; }
.text { color: #643b63; }
.border { border: 2px solid #643b63; }
.transparent { background-color: rgb(100 59 99 / 50%); }
.gradient { background: linear-gradient(to right, #643b63, #643b4e); }
Similar colors
#653b66Wine Tour#5b365eLong Passionate Night#673e6eMajesty#654161Royal Plum#673362Opulent Purple#663366Wineberry#64435fGrape Fizz#623b70Heartless
Closest common color name: Byzantium.
Questions
- What color is #643B63?
- #643B63 is a dark, desaturated magenta, closest to the named color Wine Tour. It belongs to the purple family of colors.
- What is the RGB value of #643B63?
- The RGB value is 100, 59, 99: 100 red, 59 green and 99 blue on a 0 to 255 scale.
- What is the complementary color of #643B63?
- The complementary color is #3B643C, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #643B63?
- White text. Black text has a contrast ratio of 2.35:1 and white text 8.95:1. WCAG asks for at least 4.5:1 for normal text.