#ECFEFF color
The swatch above shows #ECFEFF 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.
#ECFEFF is a very light, vivid cyan, closest to the CSS named color azure (#F0FFFF).
It is also a Tailwind CSS default: cyan-50. That means you can write bg-cyan-50 or text-cyan-50 directly, with no arbitrary-value brackets and no entry in your theme config.
Color values
| HEX | #ECFEFF |
| RGB | rgb(236, 254, 255) |
| HSL | hsl(183, 100%, 96%) |
| CMYK | cmyk(7%, 0%, 0%, 0%) |
| Decimal | 15531775 |
| CSS | color: #ECFEFF; |
| Android | 0xFFECFEFF |
| Swift | UIColor(red: 0.925, green: 0.996, blue: 1.000, alpha: 1) |
Accessibility and contrast
| White text on #ECFEFF | 1.04:1 — AA fail · AA large fail · AAA fail |
| Black text on #ECFEFF | 20.19:1 — 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 #ECFEFF
Each swatch keeps the hue and saturation of #ECFEFF and varies only lightness — the quickest way to build a usable scale from a single brand color.
Colors that go with #ECFEFF
Harmonies generated by rotating the hue on the color wheel while holding saturation and lightness constant.
Using #ECFEFF in code
/* CSS */
.element { color: #ECFEFF; background-color: #ECFEFF; }
.element { color: rgb(236 254 255); }
.element { color: hsl(183 100% 96%); }
/* Tailwind */
<div class="bg-cyan-50 text-black">
/* SCSS variable */
$brand: #ECFEFF;Frequently asked questions
What color is #ECFEFF?
#ECFEFF is a very light, vivid cyan. Its hue sits at 183° on the color wheel, with 100% saturation and 96% lightness.
What is #ECFEFF in RGB?
#ECFEFF converts to rgb(236, 254, 255) — 236 red, 254 green and 255 blue.
What is #ECFEFF in CMYK?
Approximately cmyk(7%, 0%, 0%, 0%). 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 #ECFEFF be white or black?
Black gives the better contrast ratio (20.19:1 versus 1.04:1).
What is the complementary color of #ECFEFF?
#FFECEB — the hue directly opposite #ECFEFF on the color wheel.