#0A0A0A color
The swatch above shows #0A0A0A with its hex code written on it in white and in black, so you can see which of the two is legible before reading the measured ratios below.
#0A0A0A is a very dark, desaturated near-black grey, closest to the CSS named color black (#000000).
It is also a Tailwind CSS default: neutral-950. That means you can write bg-neutral-950 or text-neutral-950 directly, with no arbitrary-value brackets and no entry in your theme config.
Color values
| HEX | #0A0A0A |
| RGB | rgb(10, 10, 10) |
| HSL | hsl(0, 0%, 4%) |
| CMYK | cmyk(0%, 0%, 0%, 96%) |
| Decimal | 657930 |
| CSS | color: #0A0A0A; |
| Android | 0xFF0A0A0A |
| Swift | UIColor(red: 0.039, green: 0.039, blue: 0.039, alpha: 1) |
Accessibility and contrast
| White text on #0A0A0A | 19.80:1 — AA pass · AA large pass · AAA pass |
| Black text on #0A0A0A | 1.06:1 — AA fail · AA large fail · AAA fail |
| Recommended text color | white |
WCAG 2.1 asks for at least 4.5:1 for body text and 3:1 for large text (18 pt, or 14 pt bold).
Tints and shades of #0A0A0A
Each swatch keeps the hue and saturation of #0A0A0A and varies only lightness — the quickest way to build a usable scale from a single brand color.
Colors that go with #0A0A0A
Harmonies generated by rotating the hue on the color wheel while holding saturation and lightness constant.
Using #0A0A0A in code
/* CSS */
.element { color: #0A0A0A; background-color: #0A0A0A; }
.element { color: rgb(10 10 10); }
.element { color: hsl(0 0% 4%); }
/* Tailwind */
<div class="bg-neutral-950 text-white">
/* SCSS variable */
$brand: #0A0A0A;Frequently asked questions
What color is #0A0A0A?
#0A0A0A is a very dark, desaturated near-black grey. Its hue sits at 0° on the color wheel, with 0% saturation and 4% lightness.
What is #0A0A0A in RGB?
#0A0A0A converts to rgb(10, 10, 10) — 10 red, 10 green and 10 blue.
What is #0A0A0A in CMYK?
Approximately cmyk(0%, 0%, 0%, 96%). Print output depends on the ICC profile of the press and paper, so treat this as a starting point rather than an exact match.
Should text on #0A0A0A be white or black?
White gives the better contrast ratio (19.80:1 versus 1.06:1).
What is the complementary color of #0A0A0A?
#0A0A0A — the hue directly opposite #0A0A0A on the color wheel.