#645661 color
The hex color #645661 is a gray.
In the RGB color model it is made of 39.2% red, 33.7% green and 38% blue (100, 86, 97).
Its hue angle is 313°, with 8% saturation and 36% lightness. For print, the CMYK equivalent is 0% cyan, 14% magenta, 3% yellow and 61% black.
The closest named color is Fedora (#625665), a difference of 2 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 6.9:1).
#645661 color codes
| HEX | #645661 | |
|---|---|---|
| RGB | rgb(100, 86, 97) | |
| RGB percent | rgb(39.2%, 33.7%, 38%) | |
| HSL | hsl(313, 8%, 36%) | |
| HSV / HSB | hsv(313, 14%, 39%) | |
| CMYK | cmyk(0%, 14%, 3%, 61%) | |
| CIE LAB | lab(38.25, 7.9, -4.23) | |
| CIE LCH | lch(38.25, 8.96, 331.86) | |
| CIE XYZ | xyz(10.741, 10.228, 12.715) | |
| Decimal | 6575713 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #645661, 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 #645661 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.05:1 | Fail | Fail | Pass |
| Sample text | 6.9:1 | Pass | Fail | Pass |
| #645661 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 6.9:1 | Pass | Fail | Pass |
| Sample text | 3.05:1 | Fail | Fail | Pass |
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 #645661 looks to people with the most common types of color vision deficiency.
#565961Protanopia
no red cones#595b61Deuteranopia
no green cones#65575aTritanopia
no blue cones#5a5a5aAchromatopsia
no color vision
CSS examples
.background { background-color: #645661; }
.text { color: #645661; }
.border { border: 2px solid #645661; }
.transparent { background-color: rgb(100 86 97 / 50%); }
.gradient { background: linear-gradient(to right, #645661, #64565a); }
Similar colors
#625665Fedora#605258Pinot Noir#635d63Wonder Wine#74626dChimaera#605d6bSmoky#676168Excalibur#565266Freefall#716675Rum
Closest common color name: Eggplant.
Questions
- What color is #645661?
- #645661 is a gray, closest to the named color Fedora. It belongs to the gray family of colors.
- What is the RGB value of #645661?
- The RGB value is 100, 86, 97: 100 red, 86 green and 97 blue on a 0 to 255 scale.
- What is the complementary color of #645661?
- The complementary color is #566459, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #645661?
- White text. Black text has a contrast ratio of 3.05:1 and white text 6.9:1. WCAG asks for at least 4.5:1 for normal text.