#64647A color
The hex color #64647A is a grayish blue.
In the RGB color model it is made of 39.2% red, 39.2% green and 47.8% blue (100, 100, 122).
Its hue angle is 240°, with 10% saturation and 44% lightness. For print, the CMYK equivalent is 18% cyan, 18% magenta, 0% yellow and 52% black.
The closest named color is Heron (#6A6887), a difference of 4 ΔE, a small difference.
White text is the more readable choice on this background (contrast 5.76:1).
#64647A color codes
| HEX | #64647A | |
|---|---|---|
| RGB | rgb(100, 100, 122) | |
| RGB percent | rgb(39.2%, 39.2%, 47.8%) | |
| HSL | hsl(240, 10%, 44%) | |
| HSV / HSB | hsv(240, 18%, 48%) | |
| CMYK | cmyk(18%, 18%, 0%, 52%) | |
| CIE LAB | lab(43.11, 4.98, -12.27) | |
| CIE LCH | lch(43.11, 13.24, 292.07) | |
| CIE XYZ | xyz(13.325, 13.229, 20.26) | |
| Decimal | 6579322 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #64647A, 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 #64647A | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.65:1 | Fail | Fail | Pass |
| Sample text | 5.76:1 | Pass | Fail | Pass |
| #64647A as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.76:1 | Pass | Fail | Pass |
| Sample text | 3.65:1 | 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 #64647A looks to people with the most common types of color vision deficiency.
#5f667bProtanopia
no red cones#5e6579Deuteranopia
no green cones#5f686bTritanopia
no blue cones#666666Achromatopsia
no color vision
CSS examples
.background { background-color: #64647a; }
.text { color: #64647a; }
.border { border: 2px solid #64647a; }
.transparent { background-color: rgb(100 100 122 / 50%); }
.gradient { background: linear-gradient(to right, #64647a, #6f647a); }
Similar colors
#6a6887Heron#5f606eVenus Mist#6b6c89Dark Prince#605d6bSmoky#5c606eConcrete Landscape#656874Alley Cat#716675Rum#555570Majestic Magic
Closest common color name: Space Gray.
Questions
- What color is #64647A?
- #64647A is a grayish blue, closest to the named color Heron. It belongs to the blue family of colors.
- What is the RGB value of #64647A?
- The RGB value is 100, 100, 122: 100 red, 100 green and 122 blue on a 0 to 255 scale.
- What is the complementary color of #64647A?
- The complementary color is #7A7A64, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #64647A?
- White text. Black text has a contrast ratio of 3.65:1 and white text 5.76:1. WCAG asks for at least 4.5:1 for normal text.