#3987FF — Vivid Blue
#3987FF 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.
#3987FF
Tints and shades (50–950)
Accessibility
Contrast on white
3.45:1
Contrast on black
6.08:1
- AA (4.5:1) on whiteFail
- AA Large (3:1) on whitePass
- AAA (7:1) on whiteFail
- AAA Large (4.5:1) on whiteFail
- 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 0.014 259.1); /* #f0f6ff */
--brand-100: oklch(0.936 0.031 259.1); /* #deebff */
--brand-200: oklch(0.885 0.056 259.1); /* #c3dbff */
--brand-300: oklch(0.808 0.097 259.1); /* #9bc2ff */
--brand-400: oklch(0.712 0.151 259.1); /* #66a2ff */
--brand-500: oklch(0.637 0.196 259.1); /* #3886ff */
--brand-600: oklch(0.577 0.2 259.1); /* #2072ec */
--brand-700: oklch(0.505 0.188 259.1); /* #0c5dcd */
--brand-800: oklch(0.444 0.167 259.1); /* #064dae */
--brand-900: oklch(0.396 0.151 259.1); /* #034195 */
--brand-950: oklch(0.281 0.106 259.1); /* #01255c */
}