#231F05 color
The hex color #231F05 is a very dark, moderate yellow.
In the RGB color model it is made of 13.7% red, 12.2% green and 2% blue (35, 31, 5).
Its hue angle is 52°, with 75% saturation and 8% lightness. For print, the CMYK equivalent is 0% cyan, 11% magenta, 86% yellow and 86% black.
The closest named color is Noir Mystique (#1F180A), a difference of 6.1 ΔE.
White text is the more readable choice on this background (contrast 16.54:1).
#231F05 color codes
| HEX | #231F05 | |
|---|---|---|
| RGB | rgb(35, 31, 5) | |
| RGB percent | rgb(13.7%, 12.2%, 2%) | |
| HSL | hsl(52, 75%, 8%) | |
| HSV / HSB | hsv(52, 86%, 14%) | |
| CMYK | cmyk(0%, 11%, 86%, 86%) | |
| CIE LAB | lab(11.61, -2.24, 15.15) | |
| CIE LCH | lch(11.61, 15.32, 98.4) | |
| CIE XYZ | xyz(1.211, 1.348, 0.34) | |
| Decimal | 2301701 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #231F05, 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 #231F05 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.27:1 | Fail | Fail | Fail |
| Sample text | 16.54:1 | Pass | Pass | Pass |
| #231F05 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 16.54:1 | Pass | Pass | Pass |
| Sample text | 1.27:1 | 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 #231F05 looks to people with the most common types of color vision deficiency.
#231e03Protanopia
no red cones#241f06Deuteranopia
no green cones#261c19Tritanopia
no blue cones#1f1f1fAchromatopsia
no color vision
CSS examples
.background { background-color: #231f05; }
.text { color: #231f05; }
.border { border: 2px solid #231f05; }
.transparent { background-color: rgb(35 31 5 / 50%); }
.gradient { background: linear-gradient(to right, #231f05, #182305); }
Similar colors
#1f180aNoir Mystique#372a05Secret Passage#1e231cUnderworld#1b150dSoulless#2b2e26Marshland#393227Creole#091101Memorial Black#17240bMidnight Pines
Closest common color name: Off Black.
Questions
- What color is #231F05?
- #231F05 is a very dark, moderate yellow, closest to the named color Noir Mystique. It belongs to the black family of colors.
- What is the RGB value of #231F05?
- The RGB value is 35, 31, 5: 35 red, 31 green and 5 blue on a 0 to 255 scale.
- What is the complementary color of #231F05?
- The complementary color is #050923, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #231F05?
- White text. Black text has a contrast ratio of 1.27:1 and white text 16.54:1. WCAG asks for at least 4.5:1 for normal text.