#664F5C color
The hex color #664F5C is a dark, grayish rose.
In the RGB color model it is made of 40% red, 31% green and 36.1% blue (102, 79, 92).
Its hue angle is 326°, with 13% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 23% magenta, 10% yellow and 60% black.
The closest named color is Hibernation (#6F5166), a difference of 4 ΔE, a small difference.
White text is the more readable choice on this background (contrast 7.4:1).
#664F5C color codes
| HEX | #664F5C | |
|---|---|---|
| RGB | rgb(102, 79, 92) | |
| RGB percent | rgb(40%, 31%, 36.1%) | |
| HSL | hsl(326, 13%, 35%) | |
| HSV / HSB | hsv(326, 23%, 40%) | |
| CMYK | cmyk(0%, 23%, 10%, 60%) | |
| CIE LAB | lab(36.35, 12.03, -3.9) | |
| CIE LCH | lch(36.35, 12.64, 342.04) | |
| CIE XYZ | xyz(10.207, 9.19, 11.359) | |
| Decimal | 6704988 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #664F5C, 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 #664F5C | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.84:1 | Fail | Fail | Fail |
| Sample text | 7.4:1 | Pass | Pass | Pass |
| #664F5C as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 7.4:1 | Pass | Pass | Pass |
| Sample text | 2.84:1 | 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 #664F5C looks to people with the most common types of color vision deficiency.
#50535dProtanopia
no red cones#55575bDeuteranopia
no green cones#694f53Tritanopia
no blue cones#555555Achromatopsia
no color vision
CSS examples
.background { background-color: #664f5c; }
.text { color: #664f5c; }
.border { border: 2px solid #664f5c; }
.transparent { background-color: rgb(102 79 92 / 50%); }
.gradient { background: linear-gradient(to right, #664f5c, #664f51); }
Similar colors
#6f5166Hibernation#625665Fedora#605258Pinot Noir#614051Eggplant#69444fWine Stain#7b5867Royal Fig#644348Plum Intended#64435fGrape Fizz
Questions
- What color is #664F5C?
- #664F5C is a dark, grayish rose, closest to the named color Hibernation. It belongs to the gray family of colors.
- What is the RGB value of #664F5C?
- The RGB value is 102, 79, 92: 102 red, 79 green and 92 blue on a 0 to 255 scale.
- What is the complementary color of #664F5C?
- The complementary color is #4F6659, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #664F5C?
- White text. Black text has a contrast ratio of 2.84:1 and white text 7.4:1. WCAG asks for at least 4.5:1 for normal text.