Left on Red color: hex code #FF0303
Left on Red has the hex code #FF0303. It is a vivid red.
In the RGB color model it is made of 100% red, 1.2% green and 1.2% blue (255, 3, 3).
Its hue angle is 0°, with 100% saturation and 51% lightness. For print, the CMYK equivalent is 0% cyan, 99% magenta, 99% yellow and 0% black.
Black text is the more readable choice on this background (contrast 5.27:1).
Left on Red (#FF0303) color codes
| HEX | #FF0303 | |
|---|---|---|
| RGB | rgb(255, 3, 3) | |
| RGB percent | rgb(100%, 1.2%, 1.2%) | |
| HSL | hsl(0, 100%, 51%) | |
| HSV / HSB | hsv(0, 99%, 100%) | |
| CMYK | cmyk(0%, 99%, 99%, 0%) | |
| CIE LAB | lab(53.32, 79.91, 66.48) | |
| CIE LCH | lch(53.32, 103.94, 39.76) | |
| CIE XYZ | xyz(41.295, 21.339, 2.031) | |
| Decimal | 16712451 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with Left on Red, 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 #FF0303 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.27:1 | Pass | Fail | Pass |
| Sample text | 3.99:1 | Fail | Fail | Pass |
| #FF0303 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.99:1 | Fail | Fail | Pass |
| Sample text | 5.27:1 | Pass | 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 #FF0303 looks to people with the most common types of color vision deficiency.
#6d5f00Protanopia
no red cones#a39000Deuteranopia
no green cones#ff0011Tritanopia
no blue cones#7f7f7fAchromatopsia
no color vision
CSS examples
.background { background-color: #ff0303; }
.text { color: #ff0303; }
.border { border: 2px solid #ff0303; }
.transparent { background-color: rgb(255 3 3 / 50%); }
.gradient { background: linear-gradient(to right, #ff0303, #ff8103); }Similar colors
#ff0000Red#fe0002Fire Engine#ff0d04Shocking Crimson#ff0800Candy Apple Red#ff0008Marinara Red#ff0d00Fire Hydrant#ff1100Furious Red#ff0e0eDanger
See #FF0303 on its hex code page
Questions
- What color is #FF0303?
- #FF0303 is a vivid red known as Left on Red. It belongs to the red family of colors.
- What is the RGB value of Left on Red?
- The RGB value is 255, 3, 3: 255 red, 3 green and 3 blue on a 0 to 255 scale.
- What is the complementary color of Left on Red?
- The complementary color is #03FFFF, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #FF0303?
- Black text. Black text has a contrast ratio of 5.27:1 and white text 3.99:1. WCAG asks for at least 4.5:1 for normal text.