#F1F5F9 color
The swatch above shows #F1F5F9 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.
#F1F5F9 is a very light, moderately saturated blue, closest to the CSS named color whitesmoke (#F5F5F5).
It is also a Tailwind CSS default: slate-100. That means you can write bg-slate-100 or text-slate-100 directly, with no arbitrary-value brackets and no entry in your theme config.
Color values
| HEX | #F1F5F9 |
| RGB | rgb(241, 245, 249) |
| HSL | hsl(210, 40%, 96%) |
| CMYK | cmyk(3%, 2%, 0%, 2%) |
| Decimal | 15857145 |
| CSS | color: #F1F5F9; |
| Android | 0xFFF1F5F9 |
| Swift | UIColor(red: 0.945, green: 0.961, blue: 0.976, alpha: 1) |
Accessibility and contrast
| White text on #F1F5F9 | 1.10:1 — AA fail · AA large fail · AAA fail |
| Black text on #F1F5F9 | 19.17:1 — AA pass · AA large pass · AAA pass |
| Recommended text color | black |
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 #F1F5F9
Each swatch keeps the hue and saturation of #F1F5F9 and varies only lightness — the quickest way to build a usable scale from a single brand color.
Colors that go with #F1F5F9
Harmonies generated by rotating the hue on the color wheel while holding saturation and lightness constant.
Using #F1F5F9 in code
/* CSS */
.element { color: #F1F5F9; background-color: #F1F5F9; }
.element { color: rgb(241 245 249); }
.element { color: hsl(210 40% 96%); }
/* Tailwind */
<div class="bg-slate-100 text-black">
/* SCSS variable */
$brand: #F1F5F9;Frequently asked questions
What color is #F1F5F9?
#F1F5F9 is a very light, moderately saturated blue. Its hue sits at 210° on the color wheel, with 40% saturation and 96% lightness.
What is #F1F5F9 in RGB?
#F1F5F9 converts to rgb(241, 245, 249) — 241 red, 245 green and 249 blue.
What is #F1F5F9 in CMYK?
Approximately cmyk(3%, 2%, 0%, 2%). 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 #F1F5F9 be white or black?
Black gives the better contrast ratio (19.17:1 versus 1.10:1).
What is the complementary color of #F1F5F9?
#F9F5F1 — the hue directly opposite #F1F5F9 on the color wheel.