#1F231A color
The hex color #1F231A is a very dark, grayish yellow-green.
In the RGB color model it is made of 12.2% red, 13.7% green and 10.2% blue (31, 35, 26).
Its hue angle is 87°, with 15% saturation and 12% lightness. For print, the CMYK equivalent is 11% cyan, 0% magenta, 26% yellow and 86% black.
The closest named color is Underworld (#1E231C), a difference of 1.2 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 15.99:1).
#1F231A color codes
| HEX | #1F231A | |
|---|---|---|
| RGB | rgb(31, 35, 26) | |
| RGB percent | rgb(12.2%, 13.7%, 10.2%) | |
| HSL | hsl(87, 15%, 12%) | |
| HSV / HSB | hsv(87, 26%, 14%) | |
| CMYK | cmyk(11%, 0%, 26%, 86%) | |
| CIE LAB | lab(13.03, -3.98, 5.45) | |
| CIE LCH | lch(13.03, 6.75, 126.17) | |
| CIE XYZ | xyz(1.353, 1.568, 1.208) | |
| Decimal | 2040602 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1F231A, 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 #1F231A | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.31:1 | Fail | Fail | Fail |
| Sample text | 15.99:1 | Pass | Pass | Pass |
| #1F231A as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 15.99:1 | Pass | Pass | Pass |
| Sample text | 1.31:1 | 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 #1F231A looks to people with the most common types of color vision deficiency.
#242219Protanopia
no red cones#23221aDeuteranopia
no green cones#1f2221Tritanopia
no blue cones#222222Achromatopsia
no color vision
CSS examples
.background { background-color: #1f231a; }
.text { color: #1f231a; }
.border { border: 2px solid #1f231a; }
.transparent { background-color: rgb(31 35 26 / 50%); }
.gradient { background: linear-gradient(to right, #1f231a, #1a231a); }
Similar colors
#1e231cUnderworld#2b2e26Marshland#262926Bitter Liquorice#2b322dTerminal Black#191916Twilight Zone#091101Memorial Black#1c1c1aCoco’s Black#041108Jedi Night
Closest common color name: Onyx.
Questions
- What color is #1F231A?
- #1F231A 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 #1F231A?
- The RGB value is 31, 35, 26: 31 red, 35 green and 26 blue on a 0 to 255 scale.
- What is the complementary color of #1F231A?
- The complementary color is #1E1A23, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1F231A?
- White text. Black text has a contrast ratio of 1.31:1 and white text 15.99:1. WCAG asks for at least 4.5:1 for normal text.