#232F21 color
The hex color #232F21 is a very dark, grayish green.
In the RGB color model it is made of 13.7% red, 18.4% green and 12.9% blue (35, 47, 33).
Its hue angle is 111°, with 18% saturation and 16% lightness. For print, the CMYK equivalent is 26% cyan, 0% magenta, 30% yellow and 82% black.
The closest named color is Nightmare (#112211), a difference of 5.2 ΔE.
White text is the more readable choice on this background (contrast 14:1).
#232F21 color codes
| HEX | #232F21 | |
|---|---|---|
| RGB | rgb(35, 47, 33) | |
| RGB percent | rgb(13.7%, 18.4%, 12.9%) | |
| HSL | hsl(111, 18%, 16%) | |
| HSV / HSB | hsv(111, 30%, 18%) | |
| CMYK | cmyk(26%, 0%, 30%, 82%) | |
| CIE LAB | lab(17.92, -8.53, 7.38) | |
| CIE LCH | lch(17.92, 11.28, 139.15) | |
| CIE XYZ | xyz(1.984, 2.5, 1.817) | |
| Decimal | 2305825 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #232F21, 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 #232F21 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.5:1 | Fail | Fail | Fail |
| Sample text | 14:1 | Pass | Pass | Pass |
| #232F21 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 14:1 | Pass | Pass | Pass |
| Sample text | 1.5:1 | 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 #232F21 looks to people with the most common types of color vision deficiency.
#302d20Protanopia
no red cones#2e2b22Deuteranopia
no green cones#222e2bTritanopia
no blue cones#2c2c2cAchromatopsia
no color vision
CSS examples
.background { background-color: #232f21; }
.text { color: #232f21; }
.border { border: 2px solid #232f21; }
.transparent { background-color: rgb(35 47 33 / 50%); }
.gradient { background: linear-gradient(to right, #232f21, #212f26); }
Similar colors
#112211Nightmare#17240bMidnight Pines#2b2e26Marshland#2b322dTerminal Black#1e231cUnderworld#162825Swamp Thing#293432Aztec#172808Lindworm Green
Closest common color name: Onyx.
Questions
- What color is #232F21?
- #232F21 is a very dark, grayish green, closest to the named color Nightmare. It belongs to the black family of colors.
- What is the RGB value of #232F21?
- The RGB value is 35, 47, 33: 35 red, 47 green and 33 blue on a 0 to 255 scale.
- What is the complementary color of #232F21?
- The complementary color is #2D212F, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #232F21?
- White text. Black text has a contrast ratio of 1.5:1 and white text 14:1. WCAG asks for at least 4.5:1 for normal text.