#180103 color
The hex color #180103 is a very dark, vivid red.
In the RGB color model it is made of 9.4% red, 0.4% green and 1.2% blue (24, 1, 3).
Its hue angle is 355°, with 92% saturation and 5% lightness. For print, the CMYK equivalent is 0% cyan, 96% magenta, 88% yellow and 91% black.
The closest named color is Dwarf Fortress (#1D0200), a difference of 2.5 ΔE, a small difference.
White text is the more readable choice on this background (contrast 20.11:1).
#180103 color codes
| HEX | #180103 | |
|---|---|---|
| RGB | rgb(24, 1, 3) | |
| RGB percent | rgb(9.4%, 0.4%, 1.2%) | |
| HSL | hsl(355, 92%, 5%) | |
| HSV / HSB | hsv(355, 96%, 9%) | |
| CMYK | cmyk(0%, 96%, 88%, 91%) | |
| CIE LAB | lab(2.01, 7.89, 1.92) | |
| CIE LCH | lch(2.01, 8.12, 13.71) | |
| CIE XYZ | xyz(0.404, 0.223, 0.108) | |
| Decimal | 1573123 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #180103, 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 #180103 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.04:1 | Fail | Fail | Fail |
| Sample text | 20.11:1 | Pass | Pass | Pass |
| #180103 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 20.11:1 | Pass | Pass | Pass |
| Sample text | 1.04:1 | 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 #180103 looks to people with the most common types of color vision deficiency.
#050503Protanopia
no red cones#0b0903Deuteranopia
no green cones#1b0002Tritanopia
no blue cones#070707Achromatopsia
no color vision
CSS examples
.background { background-color: #180103; }
.text { color: #180103; }
.border { border: 2px solid #180103; }
.transparent { background-color: rgb(24 1 3 / 50%); }
.gradient { background: linear-gradient(to right, #180103, #180b01); }
Similar colors
#1d0200Dwarf Fortress#221111Italian Roast#110101Dark Matter#150811Noir Fiction#1f1518Bats Cloak#1b1212Licorice#1a1110Scandinavian Liquorice#180614Crow
Questions
- What color is #180103?
- #180103 is a very dark, vivid red, closest to the named color Dwarf Fortress. It belongs to the black family of colors.
- What is the RGB value of #180103?
- The RGB value is 24, 1, 3: 24 red, 1 green and 3 blue on a 0 to 255 scale.
- What is the complementary color of #180103?
- The complementary color is #011816, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #180103?
- White text. Black text has a contrast ratio of 1.04:1 and white text 20.11:1. WCAG asks for at least 4.5:1 for normal text.