#646661 color
The hex color #646661 is a gray.
In the RGB color model it is made of 39.2% red, 40% green and 38% blue (100, 102, 97).
Its hue angle is 84°, with 3% saturation and 39% lightness. For print, the CMYK equivalent is 2% cyan, 0% magenta, 5% yellow and 60% black.
The closest named color is Armoury (#6A6B65), a difference of 2.1 ΔE, a small difference.
White text is the more readable choice on this background (contrast 5.81:1).
#646661 color codes
| HEX | #646661 | |
|---|---|---|
| RGB | rgb(100, 102, 97) | |
| RGB percent | rgb(39.2%, 40%, 38%) | |
| HSL | hsl(84, 3%, 39%) | |
| HSV / HSB | hsv(84, 5%, 40%) | |
| CMYK | cmyk(2%, 0%, 5%, 60%) | |
| CIE LAB | lab(42.88, -1.81, 2.55) | |
| CIE LCH | lch(42.88, 3.13, 125.28) | |
| CIE XYZ | xyz(12.164, 13.075, 13.19) | |
| Decimal | 6579809 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #646661, 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 #646661 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.62:1 | Fail | Fail | Pass |
| Sample text | 5.81:1 | Pass | Fail | Pass |
| #646661 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.81:1 | Pass | Fail | Pass |
| Sample text | 3.62:1 | 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 #646661 looks to people with the most common types of color vision deficiency.
#676561Protanopia
no red cones#666561Deuteranopia
no green cones#646565Tritanopia
no blue cones#656565Achromatopsia
no color vision
CSS examples
.background { background-color: #646661; }
.text { color: #646661; }
.border { border: 2px solid #646661; }
.transparent { background-color: rgb(100 102 97 / 50%); }
.gradient { background: linear-gradient(to right, #646661, #626661); }
Similar colors
#6a6b65Armoury#6b6965Volcanic Rock#6b6d6aShadows#696969Dim Gray#6c685eCatch of the Day#5e5e5eIron#5c5d5dKnight’s Armour#6d6c5fKnit Cardigan
Questions
- What color is #646661?
- #646661 is a gray, closest to the named color Armoury. It belongs to the gray family of colors.
- What is the RGB value of #646661?
- The RGB value is 100, 102, 97: 100 red, 102 green and 97 blue on a 0 to 255 scale.
- What is the complementary color of #646661?
- The complementary color is #636166, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #646661?
- White text. Black text has a contrast ratio of 3.62:1 and white text 5.81:1. WCAG asks for at least 4.5:1 for normal text.