#66728B color
The hex color #66728B is a grayish blue.
In the RGB color model it is made of 40% red, 44.7% green and 54.5% blue (102, 114, 139).
Its hue angle is 221°, with 15% saturation and 47% lightness. For print, the CMYK equivalent is 27% cyan, 18% magenta, 0% yellow and 45% black.
The closest named color is Misty Harbour (#65769A), a difference of 3.8 ΔE, a small difference.
White text is the more readable choice on this background (contrast 4.83:1).
#66728B color codes
| HEX | #66728B | |
|---|---|---|
| RGB | rgb(102, 114, 139) | |
| RGB percent | rgb(40%, 44.7%, 54.5%) | |
| HSL | hsl(221, 15%, 47%) | |
| HSV / HSB | hsv(221, 27%, 55%) | |
| CMYK | cmyk(27%, 18%, 0%, 45%) | |
| CIE LAB | lab(47.91, 1.5, -15.15) | |
| CIE LCH | lch(47.91, 15.22, 275.65) | |
| CIE XYZ | xyz(16.156, 16.723, 26.798) | |
| Decimal | 6713995 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #66728B, 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 #66728B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.34:1 | Fail | Fail | Pass |
| Sample text | 4.83:1 | Pass | Fail | Pass |
| #66728B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.83:1 | Pass | Fail | Pass |
| Sample text | 4.34:1 | 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 #66728B looks to people with the most common types of color vision deficiency.
#6a748cProtanopia
no red cones#67708aDeuteranopia
no green cones#5c777aTritanopia
no blue cones#727272Achromatopsia
no color vision
CSS examples
.background { background-color: #66728b; }
.text { color: #66728b; }
.border { border: 2px solid #66728b; }
.transparent { background-color: rgb(102 114 139 / 50%); }
.gradient { background: linear-gradient(to right, #66728b, #6c668b); }
Similar colors
#65769aMisty Harbour#5f6d91Haunt Mist#646b7aAshen Whisper#6e7e99Infinity and Beyond#747a8aAbandoned Spaceship#5c7287Plumbeous#577396Clean Slate#6b6c89Dark Prince
Closest common color name: Slate Gray.
Questions
- What color is #66728B?
- #66728B is a grayish blue, closest to the named color Misty Harbour. It belongs to the blue family of colors.
- What is the RGB value of #66728B?
- The RGB value is 102, 114, 139: 102 red, 114 green and 139 blue on a 0 to 255 scale.
- What is the complementary color of #66728B?
- The complementary color is #8B7F66, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #66728B?
- White text. Black text has a contrast ratio of 4.34:1 and white text 4.83:1. WCAG asks for at least 4.5:1 for normal text.