#3871EA — Vivid Blue
#3871EA 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.
#3871EA
Tints and shades (50–950)
Accessibility
Contrast on white
4.45:1
Contrast on black
4.72:1
- 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 0.014 262.9); /* #f1f6ff */
--brand-100: oklch(0.936 0.03 262.9); /* #dfeaff */
--brand-200: oklch(0.885 0.056 262.9); /* #c6daff */
--brand-300: oklch(0.808 0.096 262.9); /* #9fc0ff */
--brand-400: oklch(0.712 0.15 262.9); /* #6f9fff */
--brand-500: oklch(0.637 0.194 262.9); /* #4883ff */
--brand-600: oklch(0.577 0.199 262.9); /* #3570ed */
--brand-700: oklch(0.505 0.186 262.9); /* #265bcd */
--brand-800: oklch(0.444 0.166 262.9); /* #1d4bae */
--brand-900: oklch(0.396 0.15 262.9); /* #173f95 */
--brand-950: oklch(0.281 0.105 262.9); /* #0a245c */
}