#A9001A color
The hex color #A9001A is a dark, vivid red.
In the RGB color model it is made of 66.3% red, 0% green and 10.2% blue (169, 0, 26).
Its hue angle is 351°, with 100% saturation and 33% lightness. For print, the CMYK equivalent is 0% cyan, 100% magenta, 85% yellow and 34% black.
The closest named color is Romantic Thriller (#A2101B), a difference of 1.3 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 7.77:1).
#A9001A color codes
| HEX | #A9001A | |
|---|---|---|
| RGB | rgb(169, 0, 26) | |
| RGB percent | rgb(66.3%, 0%, 10.2%) | |
| HSL | hsl(351, 100%, 33%) | |
| HSV / HSB | hsv(351, 100%, 66%) | |
| CMYK | cmyk(0%, 100%, 85%, 34%) | |
| CIE LAB | lab(35.03, 59.26, 37.52) | |
| CIE LCH | lch(35.03, 70.14, 32.34) | |
| CIE XYZ | xyz(16.551, 8.512, 1.749) | |
| Decimal | 11075610 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #A9001A, 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 #A9001A | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.7:1 | Fail | Fail | Fail |
| Sample text | 7.77:1 | Pass | Pass | Pass |
| #A9001A as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 7.77:1 | Pass | Pass | Pass |
| Sample text | 2.7:1 | 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 #A9001A looks to people with the most common types of color vision deficiency.
#443d18Protanopia
no red cones#6a5e10Deuteranopia
no green cones#bb0010Tritanopia
no blue cones#525252Achromatopsia
no color vision
CSS examples
.background { background-color: #a9001a; }
.text { color: #a9001a; }
.border { border: 2px solid #a9001a; }
.transparent { background-color: rgb(169 0 26 / 50%); }
.gradient { background: linear-gradient(to right, #a9001a, #a93b00); }
Similar colors
#a2101bRomantic Thriller#aa1122Ecstatic Red#a30112Dear Darling#a91c1cKetchup Later#aa0011Chorizo#aa2121Red Menace#aa2222Blood Rush#9e1212Heavy Red
Closest common color name: Firebrick.
Questions
- What color is #A9001A?
- #A9001A is a dark, vivid red, closest to the named color Romantic Thriller. It belongs to the red family of colors.
- What is the RGB value of #A9001A?
- The RGB value is 169, 0, 26: 169 red, 0 green and 26 blue on a 0 to 255 scale.
- What is the complementary color of #A9001A?
- The complementary color is #00A98F, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #A9001A?
- White text. Black text has a contrast ratio of 2.7:1 and white text 7.77:1. WCAG asks for at least 4.5:1 for normal text.