#231B17 color
The hex color #231B17 is a very dark, grayish orange.
In the RGB color model it is made of 13.7% red, 10.6% green and 9% blue (35, 27, 23).
Its hue angle is 20°, with 21% saturation and 11% lightness. For print, the CMYK equivalent is 0% cyan, 23% magenta, 34% yellow and 86% black.
The closest named color is Dark Orchestra (#251B19), a difference of 2.1 ΔE, a small difference.
White text is the more readable choice on this background (contrast 16.93:1).
#231B17 color codes
| HEX | #231B17 | |
|---|---|---|
| RGB | rgb(35, 27, 23) | |
| RGB percent | rgb(13.7%, 10.6%, 9%) | |
| HSL | hsl(20, 21%, 11%) | |
| HSV / HSB | hsv(20, 34%, 14%) | |
| CMYK | cmyk(0%, 23%, 34%, 86%) | |
| CIE LAB | lab(10.58, 3.13, 4.26) | |
| CIE LCH | lch(10.58, 5.29, 53.73) | |
| CIE XYZ | xyz(1.24, 1.203, 0.977) | |
| Decimal | 2300695 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #231B17, 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 #231B17 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.24:1 | Fail | Fail | Fail |
| Sample text | 16.93:1 | Pass | Pass | Pass |
| #231B17 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 16.93:1 | Pass | Pass | Pass |
| Sample text | 1.24:1 | 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 #231B17 looks to people with the most common types of color vision deficiency.
#1d1c17Protanopia
no red cones#1f1d17Deuteranopia
no green cones#251a1aTritanopia
no blue cones#1d1d1dAchromatopsia
no color vision
CSS examples
.background { background-color: #231b17; }
.text { color: #231b17; }
.border { border: 2px solid #231b17; }
.transparent { background-color: rgb(35 27 23 / 50%); }
.gradient { background: linear-gradient(to right, #231b17, #232117); }
Similar colors
#251b19Dark Orchestra#1b150dSoulless#302621Wood Bark#1a1110Scandinavian Liquorice#241f20Velvet Black#1b1212Licorice#271b10Burnt Coffee#211e1fUmbra
Questions
- What color is #231B17?
- #231B17 is a very dark, grayish orange, closest to the named color Dark Orchestra. It belongs to the black family of colors.
- What is the RGB value of #231B17?
- The RGB value is 35, 27, 23: 35 red, 27 green and 23 blue on a 0 to 255 scale.
- What is the complementary color of #231B17?
- The complementary color is #171F23, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #231B17?
- White text. Black text has a contrast ratio of 1.24:1 and white text 16.93:1. WCAG asks for at least 4.5:1 for normal text.