#646A67 color
The hex color #646A67 is a gray.
In the RGB color model it is made of 39.2% red, 41.6% green and 40.4% blue (100, 106, 103).
Its hue angle is 150°, with 3% saturation and 40% lightness. For print, the CMYK equivalent is 6% cyan, 0% magenta, 3% yellow and 58% black.
The closest named color is Shadows (#6B6D6A), a difference of 2.6 ΔE, a small difference.
White text is the more readable choice on this background (contrast 5.53:1).
#646A67 color codes
| HEX | #646A67 | |
|---|---|---|
| RGB | rgb(100, 106, 103) | |
| RGB percent | rgb(39.2%, 41.6%, 40.4%) | |
| HSL | hsl(150, 3%, 40%) | |
| HSV / HSB | hsv(150, 6%, 42%) | |
| CMYK | cmyk(6%, 0%, 3%, 58%) | |
| CIE LAB | lab(44.23, -2.93, 0.88) | |
| CIE LCH | lch(44.23, 3.06, 163.22) | |
| CIE XYZ | xyz(12.857, 13.997, 14.854) | |
| Decimal | 6580839 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #646A67, 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 #646A67 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.8:1 | Fail | Fail | Pass |
| Sample text | 5.53:1 | Pass | Fail | Pass |
| #646A67 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.53:1 | Pass | Fail | Pass |
| Sample text | 3.8:1 | 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 #646A67 looks to people with the most common types of color vision deficiency.
#6a6967Protanopia
no red cones#696867Deuteranopia
no green cones#636a69Tritanopia
no blue cones#696969Achromatopsia
no color vision
CSS examples
.background { background-color: #646a67; }
.text { color: #646a67; }
.border { border: 2px solid #646a67; }
.transparent { background-color: rgb(100 106 103 / 50%); }
.gradient { background: linear-gradient(to right, #646a67, #646a6a); }
Similar colors
#6b6d6aShadows#6a6b65Armoury#5f6d6eWrapped in Twilight#616669Gray Web#686d70Beautiful Darkness#696969Dim Gray#656e72Batman#6b6965Volcanic Rock
Questions
- What color is #646A67?
- #646A67 is a gray, closest to the named color Shadows. It belongs to the gray family of colors.
- What is the RGB value of #646A67?
- The RGB value is 100, 106, 103: 100 red, 106 green and 103 blue on a 0 to 255 scale.
- What is the complementary color of #646A67?
- The complementary color is #6A6467, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #646A67?
- White text. Black text has a contrast ratio of 3.8:1 and white text 5.53:1. WCAG asks for at least 4.5:1 for normal text.