#644640 color
The hex color #644640 is a dark, grayish red.
In the RGB color model it is made of 39.2% red, 27.5% green and 25.1% blue (100, 70, 64).
Its hue angle is 10°, with 22% saturation and 32% lightness. For print, the CMYK equivalent is 0% cyan, 30% magenta, 36% yellow and 61% black.
The closest named color is Liver (#654A46), a difference of 1.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 8.43:1).
#644640 color codes
| HEX | #644640 | |
|---|---|---|
| RGB | rgb(100, 70, 64) | |
| RGB percent | rgb(39.2%, 27.5%, 25.1%) | |
| HSL | hsl(10, 22%, 32%) | |
| HSV / HSB | hsv(10, 36%, 39%) | |
| CMYK | cmyk(0%, 30%, 36%, 61%) | |
| CIE LAB | lab(32.83, 11.98, 8.73) | |
| CIE LCH | lch(32.83, 14.82, 36.1) | |
| CIE XYZ | xyz(8.371, 7.46, 5.849) | |
| Decimal | 6571584 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #644640, 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 #644640 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.49:1 | Fail | Fail | Fail |
| Sample text | 8.43:1 | Pass | Pass | Pass |
| #644640 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 8.43:1 | Pass | Pass | Pass |
| Sample text | 2.49:1 | 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 #644640 looks to people with the most common types of color vision deficiency.
#4d4a40Protanopia
no red cones#545040Deuteranopia
no green cones#6b4244Tritanopia
no blue cones#4d4d4dAchromatopsia
no color vision
CSS examples
.background { background-color: #644640; }
.text { color: #644640; }
.border { border: 2px solid #644640; }
.transparent { background-color: rgb(100 70 64 / 50%); }
.gradient { background: linear-gradient(to right, #644640, #645840); }
Similar colors
#654a46Liver#664238Brunette#624a49Dark Chocolate#5b3f34Espresso Bar#654243Wild Thing#5e4a47Mustang#5c4033Dark Brown#553b39Monkey Island
Questions
- What color is #644640?
- #644640 is a dark, grayish red, closest to the named color Liver. It belongs to the brown family of colors.
- What is the RGB value of #644640?
- The RGB value is 100, 70, 64: 100 red, 70 green and 64 blue on a 0 to 255 scale.
- What is the complementary color of #644640?
- The complementary color is #405E64, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #644640?
- White text. Black text has a contrast ratio of 2.49:1 and white text 8.43:1. WCAG asks for at least 4.5:1 for normal text.