#66A5EF — Blue
#66A5EF is a blue in the Blue family. In practice it looks like a balanced medium blue, and it is also commonly known as Blue, Cobalt Blue. Below are all of its color space values, an 11-step scale, harmony palettes and accessibility data.
Tints and shades (50–950)
Accessibility
Contrast on white
2.56:1
Contrast on black
8.19:1
- AA (4.5:1) on whiteFail
- AA Large (3:1) on whiteFail
- AAA (7:1) on whiteFail
- AAA Large (4.5:1) on whiteFail
- UI components (3:1) on whiteFail
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 0.009 253.4); /* #f1f6fc */
--brand-100: oklch(0.936 0.02 253.4); /* #e1ebf7 */
--brand-200: oklch(0.885 0.041 253.4); /* #c7dbf5 */
--brand-300: oklch(0.808 0.075 253.4); /* #9fc4f0 */
--brand-400: oklch(0.712 0.111 253.4); /* #6fa5e6 */
--brand-500: oklch(0.637 0.133 253.4); /* #4c8eda */
--brand-600: oklch(0.577 0.131 253.4); /* #3b7bc4 */
--brand-700: oklch(0.505 0.123 253.4); /* #2a66a8 */
--brand-800: oklch(0.444 0.109 253.4); /* #21558e */
--brand-900: oklch(0.396 0.099 253.4); /* #1a477a */
--brand-950: oklch(0.281 0.069 253.4); /* #0c2a4a */
}