#666EC3 — Indigo
#666EC3 is a indigo in the Indigo family. In practice it looks like a balanced medium indigo, and it is also commonly known as Indigo, Iris Blue. Below are all of its color space values, an 11-step scale, harmony palettes and accessibility data.
#666EC3
Tints and shades (50–950)
Accessibility
Contrast on white
4.58:1
Contrast on black
4.58:1
- AA (4.5:1) on whitePass
- AA Large (3:1) on whitePass
- AAA (7:1) on whiteFail
- AAA Large (4.5:1) on whitePass
- UI components (3:1) on whitePass
Need a passing variant? Repair this color in the contrast checker.
Complementary palette
Analogous palette
Triadic palette
Copy-ready CSS
brand-scale.css
:root {
--brand-50: oklch(0.971 0.01 277.4); /* #f4f5fc */
--brand-100: oklch(0.936 0.02 277.4); /* #e6e9f8 */
--brand-200: oklch(0.885 0.042 277.4); /* #d2d7f6 */
--brand-300: oklch(0.808 0.077 277.4); /* #b4bcf2 */
--brand-400: oklch(0.712 0.113 277.4); /* #919be8 */
--brand-500: oklch(0.637 0.137 277.4); /* #7881dd */
--brand-600: oklch(0.577 0.134 277.4); /* #676fc7 */
--brand-700: oklch(0.505 0.126 277.4); /* #545bab */
--brand-800: oklch(0.444 0.112 277.4); /* #464b90 */
--brand-900: oklch(0.396 0.101 277.4); /* #3a3f7c */
--brand-950: oklch(0.281 0.071 277.4); /* #21244b */
}