#641C4D
≈ darkslateblue · rgb(100, 28, 77)
Color formats
HEX#641C4D
RGBrgb(100, 28, 77)
HSLhsl(319, 56%, 25%)
HSVhsv(319, 72%, 39%)
OKLCHoklch(36% 0.12 343)
CMYKcmyk(0%, 72%, 23%, 61%)
Contrast & accessibility
On white11.57:1AA pass
On black1.82:1below AA
Best text color#FFFFFF
Nearest CSS name: darkslateblue
Copy-ready code
CSS custom properties
:root {
--darkslateblue: #641c4d;
--darkslateblue-rgb: 100 28 77;
--darkslateblue-oklch: oklch(36% 0.12 343);
}The space-separated triple lets you set alpha without a second variable:
background: rgb(var(--darkslateblue-rgb) / 40%);
Tailwind (arbitrary value)
bg-[#641c4d] text-[#641c4d] border-[#641c4d]
Shades & tints
Color harmonies
About this color
#641C4D is a color with the RGB value rgb(100, 28, 77). Its closest CSS named color is "darkslateblue". 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.