#66A2BF
≈ lightslategray · rgb(102, 162, 191)
Color formats
HEX#66A2BF
RGBrgb(102, 162, 191)
HSLhsl(200, 41%, 57%)
HSVhsv(200, 47%, 75%)
OKLCHoklch(68% 0.08 230)
CMYKcmyk(47%, 15%, 0%, 25%)
Contrast & accessibility
On white2.81:1below AA
On black7.49:1AA pass
Best text color#000000
Nearest CSS name: lightslategray
Copy-ready code
CSS custom properties
:root {
--lightslategray: #66a2bf;
--lightslategray-rgb: 102 162 191;
--lightslategray-oklch: oklch(68% 0.08 230);
}The space-separated triple lets you set alpha without a second variable:
background: rgb(var(--lightslategray-rgb) / 40%);
Tailwind (arbitrary value)
bg-[#66a2bf] text-[#66a2bf] border-[#66a2bf]
Shades & tints
Color harmonies
About this color
#66A2BF is a color with the RGB value rgb(102, 162, 191). Its closest CSS named color is "lightslategray". 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.