#647688 color
The hex color #647688 is a grayish azure.
In the RGB color model it is made of 39.2% red, 46.3% green and 53.3% blue (100, 118, 136).
Its hue angle is 210°, with 15% saturation and 46% lightness. For print, the CMYK equivalent is 26% cyan, 13% magenta, 0% yellow and 47% black.
The closest named color is Plumbeous (#5C7287), a difference of 2.2 ΔE, a small difference.
White text is the more readable choice on this background (contrast 4.68:1).
#647688 color codes
| HEX | #647688 | |
|---|---|---|
| RGB | rgb(100, 118, 136) | |
| RGB percent | rgb(39.2%, 46.3%, 53.3%) | |
| HSL | hsl(210, 15%, 46%) | |
| HSV / HSB | hsv(210, 26%, 53%) | |
| CMYK | cmyk(26%, 13%, 0%, 47%) | |
| CIE LAB | lab(48.81, -2.28, -12.02) | |
| CIE LCH | lch(48.81, 12.23, 259.26) | |
| CIE XYZ | xyz(16.177, 17.443, 25.802) | |
| Decimal | 6583944 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #647688, 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 #647688 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.49:1 | Fail | Fail | Pass |
| Sample text | 4.68:1 | Pass | Fail | Pass |
| #647688 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.68:1 | Pass | Fail | Pass |
| Sample text | 4.49:1 | 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 #647688 looks to people with the most common types of color vision deficiency.
#6f7689Protanopia
no red cones#6b7288Deuteranopia
no green cones#5a7a7cTritanopia
no blue cones#747474Achromatopsia
no color vision
CSS examples
.background { background-color: #647688; }
.text { color: #647688; }
.border { border: 2px solid #647688; }
.transparent { background-color: rgb(100 118 136 / 50%); }
.gradient { background: linear-gradient(to right, #647688, #646488); }
Similar colors
#5c7287Plumbeous#607c8eWhale Shark#708090Slate Gray#6a7f8bCitadel#70818eStormy Oceans#6b717aMade in the Shade#4f6f85Shipyard#5a789aQuiet Harbour
Questions
- What color is #647688?
- #647688 is a grayish azure, closest to the named color Plumbeous. It belongs to the gray family of colors.
- What is the RGB value of #647688?
- The RGB value is 100, 118, 136: 100 red, 118 green and 136 blue on a 0 to 255 scale.
- What is the complementary color of #647688?
- The complementary color is #887664, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #647688?
- White text. Black text has a contrast ratio of 4.49:1 and white text 4.68:1. WCAG asks for at least 4.5:1 for normal text.