#3664FF — Vivid Blue
#3664FF is a vivid blue in the Blue family. In practice it looks like a bold, saturated 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.
#3664FF
Tints and shades (50–950)
Accessibility
Contrast on white
4.75:1
Contrast on black
4.42:1
- 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 0.014 266.1); /* #f1f5ff */
--brand-100: oklch(0.936 0.03 266.1); /* #e0eaff */
--brand-200: oklch(0.885 0.056 266.1); /* #c8d9ff */
--brand-300: oklch(0.808 0.096 266.1); /* #a3bfff */
--brand-400: oklch(0.712 0.149 266.1); /* #769eff */
--brand-500: oklch(0.637 0.194 266.1); /* #5481ff */
--brand-600: oklch(0.577 0.231 266.1); /* #3967ff */
--brand-700: oklch(0.505 0.227 266.1); /* #2850e3 */
--brand-800: oklch(0.444 0.203 266.1); /* #1f41c1 */
--brand-900: oklch(0.396 0.183 266.1); /* #1936a7 */
--brand-950: oklch(0.281 0.128 266.1); /* #0b1f67 */
}