#664E4D color
The hex color #664E4D is a dark, grayish red.
In the RGB color model it is made of 40% red, 30.6% green and 30.2% blue (102, 78, 77).
Its hue angle is 2°, with 14% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 24% magenta, 25% yellow and 60% black.
The closest named color is Dark Chocolate (#624A49), a difference of 1.4 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 7.6:1).
#664E4D color codes
| HEX | #664E4D | |
|---|---|---|
| RGB | rgb(102, 78, 77) | |
| RGB percent | rgb(40%, 30.6%, 30.2%) | |
| HSL | hsl(2, 14%, 35%) | |
| HSV / HSB | hsv(2, 25%, 40%) | |
| CMYK | cmyk(0%, 24%, 25%, 60%) | |
| CIE LAB | lab(35.62, 9.91, 4.47) | |
| CIE LCH | lch(35.62, 10.88, 24.28) | |
| CIE XYZ | xyz(9.544, 8.81, 8.218) | |
| Decimal | 6704717 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #664E4D, 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 #664E4D | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.76:1 | Fail | Fail | Fail |
| Sample text | 7.6:1 | Pass | Pass | Pass |
| #664E4D as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 7.6:1 | Pass | Pass | Pass |
| Sample text | 2.76:1 | 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 #664E4D looks to people with the most common types of color vision deficiency.
#52514dProtanopia
no red cones#58564dDeuteranopia
no green cones#6b4c4eTritanopia
no blue cones#545454Achromatopsia
no color vision
CSS examples
.background { background-color: #664e4d; }
.text { color: #664e4d; }
.border { border: 2px solid #664e4d; }
.transparent { background-color: rgb(102 78 77 / 50%); }
.gradient { background: linear-gradient(to right, #664e4d, #665b4d); }
Similar colors
#624a49Dark Chocolate#654a46Liver#5e4a47Mustang#604d47Lynx#60504bChocolate Pretzel#6e544bAfternoon Coffee#654243Wild Thing#554747Chinotto
Closest common color name: Umber.
Questions
- What color is #664E4D?
- #664E4D is a dark, grayish red, closest to the named color Dark Chocolate. It belongs to the gray family of colors.
- What is the RGB value of #664E4D?
- The RGB value is 102, 78, 77: 102 red, 78 green and 77 blue on a 0 to 255 scale.
- What is the complementary color of #664E4D?
- The complementary color is #4D6566, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #664E4D?
- White text. Black text has a contrast ratio of 2.76:1 and white text 7.6:1. WCAG asks for at least 4.5:1 for normal text.