#664B59 color
The hex color #664B59 is a dark, grayish rose.
In the RGB color model it is made of 40% red, 29.4% green and 34.9% blue (102, 75, 89).
Its hue angle is 329°, with 15% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 26% magenta, 13% yellow and 60% black.
The closest named color is Hibernation (#6F5166), a difference of 3.7 ΔE, a small difference.
White text is the more readable choice on this background (contrast 7.73:1).
#664B59 color codes
| HEX | #664B59 | |
|---|---|---|
| RGB | rgb(102, 75, 89) | |
| RGB percent | rgb(40%, 29.4%, 34.9%) | |
| HSL | hsl(329, 15%, 35%) | |
| HSV / HSB | hsv(329, 26%, 40%) | |
| CMYK | cmyk(0%, 26%, 13%, 60%) | |
| CIE LAB | lab(35.16, 13.93, -3.77) | |
| CIE LCH | lch(35.16, 14.43, 344.87) | |
| CIE XYZ | xyz(9.799, 8.579, 10.589) | |
| Decimal | 6703961 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #664B59, 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 #664B59 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.72:1 | Fail | Fail | Fail |
| Sample text | 7.73:1 | Pass | Pass | Pass |
| #664B59 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 7.73:1 | Pass | Pass | Pass |
| Sample text | 2.72:1 | 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 #664B59 looks to people with the most common types of color vision deficiency.
#4d505aProtanopia
no red cones#535458Deuteranopia
no green cones#6a4b50Tritanopia
no blue cones#535353Achromatopsia
no color vision
CSS examples
.background { background-color: #664b59; }
.text { color: #664b59; }
.border { border: 2px solid #664b59; }
.transparent { background-color: rgb(102 75 89 / 50%); }
.gradient { background: linear-gradient(to right, #664b59, #664b4b); }
Similar colors
#6f5166Hibernation#614051Eggplant#69444fWine Stain#644348Plum Intended#64435fGrape Fizz#7b5867Royal Fig#605258Pinot Noir#625665Fedora
Questions
- What color is #664B59?
- #664B59 is a dark, grayish rose, closest to the named color Hibernation. It belongs to the purple family of colors.
- What is the RGB value of #664B59?
- The RGB value is 102, 75, 89: 102 red, 75 green and 89 blue on a 0 to 255 scale.
- What is the complementary color of #664B59?
- The complementary color is #4B6658, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #664B59?
- White text. Black text has a contrast ratio of 2.72:1 and white text 7.73:1. WCAG asks for at least 4.5:1 for normal text.