#2563EB color
#2563EB is a medium, vivid blue, closest to the CSS named color royalblue (#4169E1).
Color values
| HEX | #2563EB |
| RGB | rgb(37, 99, 235) |
| HSL | hsl(221, 83%, 53%) |
| CMYK | cmyk(84%, 58%, 0%, 8%) |
| Decimal | 2450411 |
| CSS | color: #2563EB; |
| Android | 0xFF2563EB |
| Swift | UIColor(red: 0.145, green: 0.388, blue: 0.922, alpha: 1) |
Accessibility and contrast
| White text on #2563EB | 5.17:1 — AA pass · AA large pass · AAA fail |
| Black text on #2563EB | 4.06:1 — AA fail · AA large pass · 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 #2563EB
Each swatch keeps the hue and saturation of #2563EB and varies only lightness — the quickest way to build a usable scale from a single brand color.
Colors that go with #2563EB
Harmonies generated by rotating the hue on the color wheel while holding saturation and lightness constant.
Using #2563EB in code
/* CSS */
.element { color: #2563EB; background-color: #2563EB; }
.element { color: rgb(37 99 235); }
.element { color: hsl(221 83% 53%); }
/* Tailwind arbitrary value */
<div class="bg-[#2563EB] text-white">
/* SCSS variable */
$brand: #2563EB;Frequently asked questions
What color is #2563EB?
#2563EB is a medium, vivid blue. Its hue sits at 221° on the color wheel, with 83% saturation and 53% lightness.
What is #2563EB in RGB?
#2563EB converts to rgb(37, 99, 235) — 37 red, 99 green and 235 blue.
What is #2563EB in CMYK?
Approximately cmyk(84%, 58%, 0%, 8%). 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 #2563EB be white or black?
White gives the better contrast ratio (5.17:1 versus 4.06:1).
What is the complementary color of #2563EB?
#EBAC24 — the hue directly opposite #2563EB on the color wheel.