#ADD9E2
≈ lightblue · rgb(173, 217, 226)
Color formats
HEX#ADD9E2
RGBrgb(173, 217, 226)
HSLhsl(190, 48%, 78%)
HSVhsv(190, 23%, 89%)
OKLCHoklch(86% 0.05 212)
CMYKcmyk(23%, 4%, 0%, 11%)
Contrast & accessibility
On white1.52:1below AA
On black13.80:1AA pass
Best text color#000000
Nearest CSS name: lightblue
Copy-ready code
CSS custom properties
:root {
--lightblue: #add9e2;
--lightblue-rgb: 173 217 226;
--lightblue-oklch: oklch(86% 0.05 212);
}The space-separated triple lets you set alpha without a second variable:
background: rgb(var(--lightblue-rgb) / 40%);
Tailwind (arbitrary value)
bg-[#add9e2] text-[#add9e2] border-[#add9e2]
Shades & tints
Color harmonies
About this color
#ADD9E2 is a color with the RGB value rgb(173, 217, 226). Its closest CSS named color is "lightblue". On this page you'll find every format (HEX, RGB, HSL, HSV, OKLCH, CMYK), WCAG contrast against white and black, a full 50–950 shade scale, and complementary, analogous and triadic harmonies — each linking to its own color page.