#AD2131 color
The hex color #AD2131 is a moderate red.
In the RGB color model it is made of 67.8% red, 12.9% green and 19.2% blue (173, 33, 49).
Its hue angle is 353°, with 68% saturation and 40% lightness. For print, the CMYK equivalent is 0% cyan, 81% magenta, 72% yellow and 32% black.
The closest named color is Christmas Red (#B01B2E), a difference of 0.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 6.91:1).
#AD2131 color codes
| HEX | #AD2131 | |
|---|---|---|
| RGB | rgb(173, 33, 49) | |
| RGB percent | rgb(67.8%, 12.9%, 19.2%) | |
| HSL | hsl(353, 68%, 40%) | |
| HSV / HSB | hsv(353, 81%, 68%) | |
| CMYK | cmyk(0%, 81%, 72%, 32%) | |
| CIE LAB | lab(38.19, 55.31, 27.46) | |
| CIE LCH | lch(38.19, 61.75, 26.41) | |
| CIE XYZ | xyz(18.334, 10.197, 3.908) | |
| Decimal | 11346225 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #AD2131, 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 #AD2131 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.04:1 | Fail | Fail | Pass |
| Sample text | 6.91:1 | Pass | Fail | Pass |
| #AD2131 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 6.91:1 | Pass | Fail | Pass |
| Sample text | 3.04:1 | 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 #AD2131 looks to people with the most common types of color vision deficiency.
#4d4730Protanopia
no red cones#6f642cDeuteranopia
no green cones#bf0029Tritanopia
no blue cones#5a5a5aAchromatopsia
no color vision
CSS examples
.background { background-color: #ad2131; }
.text { color: #ad2131; }
.border { border: 2px solid #ad2131; }
.transparent { background-color: rgb(173 33 49 / 50%); }
.gradient { background: linear-gradient(to right, #ad2131, #ad5721); }
Similar colors
#b01b2eChristmas Red#b2132bKirsch#a82a38Pompeian Red#a8102aHong Kong Taxi#aa262bSamba#bb1133Active Volcano#ad2a2dCross My Heart#bc012eAkai Red
Closest common color name: Auburn.
Questions
- What color is #AD2131?
- #AD2131 is a moderate red, closest to the named color Christmas Red. It belongs to the red family of colors.
- What is the RGB value of #AD2131?
- The RGB value is 173, 33, 49: 173 red, 33 green and 49 blue on a 0 to 255 scale.
- What is the complementary color of #AD2131?
- The complementary color is #21AD9D, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #AD2131?
- White text. Black text has a contrast ratio of 3.04:1 and white text 6.91:1. WCAG asks for at least 4.5:1 for normal text.