#515551 color
The hex color #515551 is a gray.
In the RGB color model it is made of 31.8% red, 33.3% green and 31.8% blue (81, 85, 81).
Its hue angle is 120°, with 2% saturation and 33% lightness. For print, the CMYK equivalent is 5% cyan, 0% magenta, 5% yellow and 67% black.
The closest named color is Crucible (#555B59), a difference of 2.5 ΔE, a small difference.
White text is the more readable choice on this background (contrast 7.59:1).
#515551 color codes
| HEX | #515551 | |
|---|---|---|
| RGB | rgb(81, 85, 81) | |
| RGB percent | rgb(31.8%, 33.3%, 31.8%) | |
| HSL | hsl(120, 2%, 33%) | |
| HSV / HSB | hsv(120, 5%, 33%) | |
| CMYK | cmyk(5%, 0%, 5%, 67%) | |
| CIE LAB | lab(35.68, -2.46, 1.78) | |
| CIE LCH | lch(35.68, 3.04, 144.2) | |
| CIE XYZ | xyz(8.127, 8.84, 9.061) | |
| Decimal | 5330257 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #515551, 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 #515551 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.77:1 | Fail | Fail | Fail |
| Sample text | 7.59:1 | Pass | Pass | Pass |
| #515551 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 7.59:1 | Pass | Pass | Pass |
| Sample text | 2.77:1 | Fail | Fail | Fail |
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 #515551 looks to people with the most common types of color vision deficiency.
#555451Protanopia
no red cones#545451Deuteranopia
no green cones#515554Tritanopia
no blue cones#545454Achromatopsia
no color vision
CSS examples
.background { background-color: #515551; }
.text { color: #515551; }
.border { border: 2px solid #515551; }
.transparent { background-color: rgb(81 85 81 / 50%); }
.gradient { background: linear-gradient(to right, #515551, #515553); }
Similar colors
#555b59Crucible#495252Dark as Night#4f4e4aSubterrain Kingdom#555555Stone Cold#484a46Armadillo#494e4fCover of Night#444b4aMoonless Sky#4c5356Trout
Closest common color name: Ebony.
Questions
- What color is #515551?
- #515551 is a gray, closest to the named color Crucible. It belongs to the gray family of colors.
- What is the RGB value of #515551?
- The RGB value is 81, 85, 81: 81 red, 85 green and 81 blue on a 0 to 255 scale.
- What is the complementary color of #515551?
- The complementary color is #555155, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #515551?
- White text. Black text has a contrast ratio of 2.77:1 and white text 7.59:1. WCAG asks for at least 4.5:1 for normal text.