#1C1F18 color
The hex color #1C1F18 is a very dark, grayish yellow-green.
In the RGB color model it is made of 11% red, 12.2% green and 9.4% blue (28, 31, 24).
Its hue angle is 86°, with 13% saturation and 11% lightness. For print, the CMYK equivalent is 10% cyan, 0% magenta, 23% yellow and 88% black.
The closest named color is Underworld (#1E231C), a difference of 1.6 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 16.69:1).
#1C1F18 color codes
| HEX | #1C1F18 | |
|---|---|---|
| RGB | rgb(28, 31, 24) | |
| RGB percent | rgb(11%, 12.2%, 9.4%) | |
| HSL | hsl(86, 13%, 11%) | |
| HSV / HSB | hsv(86, 23%, 12%) | |
| CMYK | cmyk(10%, 0%, 23%, 88%) | |
| CIE LAB | lab(11.22, -3.11, 4.32) | |
| CIE LCH | lch(11.22, 5.32, 125.74) | |
| CIE XYZ | xyz(1.134, 1.293, 1.054) | |
| Decimal | 1842968 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1C1F18, 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 #1C1F18 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.26:1 | Fail | Fail | Fail |
| Sample text | 16.69:1 | Pass | Pass | Pass |
| #1C1F18 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 16.69:1 | Pass | Pass | Pass |
| Sample text | 1.26:1 | 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 #1C1F18 looks to people with the most common types of color vision deficiency.
#201e18Protanopia
no red cones#1f1e18Deuteranopia
no green cones#1c1e1dTritanopia
no blue cones#1e1e1eAchromatopsia
no color vision
CSS examples
.background { background-color: #1c1f18; }
.text { color: #1c1f18; }
.border { border: 2px solid #1c1f18; }
.transparent { background-color: rgb(28 31 24 / 50%); }
.gradient { background: linear-gradient(to right, #1c1f18, #181f18); }
Similar colors
#1e231cUnderworld#191916Twilight Zone#262926Bitter Liquorice#1c1c1aCoco’s Black#2b2e26Marshland#091101Memorial Black#041108Jedi Night#161410King Kong
Closest common color name: Off Black.
Questions
- What color is #1C1F18?
- #1C1F18 is a very dark, grayish yellow-green, closest to the named color Underworld. It belongs to the black family of colors.
- What is the RGB value of #1C1F18?
- The RGB value is 28, 31, 24: 28 red, 31 green and 24 blue on a 0 to 255 scale.
- What is the complementary color of #1C1F18?
- The complementary color is #1B181F, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1C1F18?
- White text. Black text has a contrast ratio of 1.26:1 and white text 16.69:1. WCAG asks for at least 4.5:1 for normal text.