#3684FF — Vivid Blue
#3684FF 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.
#3684FF
Tints and shades (50–950)
Accessibility
Contrast on white
3.56:1
Contrast on black
5.90:1
- 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 0.014 259.4); /* #f0f6ff */
--brand-100: oklch(0.936 0.031 259.4); /* #deebff */
--brand-200: oklch(0.885 0.056 259.4); /* #c4dbff */
--brand-300: oklch(0.808 0.097 259.4); /* #9bc2ff */
--brand-400: oklch(0.712 0.151 259.4); /* #67a1ff */
--brand-500: oklch(0.637 0.195 259.4); /* #3a86ff */
--brand-600: oklch(0.577 0.204 259.4); /* #1f72ef */
--brand-700: oklch(0.505 0.192 259.4); /* #0b5ccf */
--brand-800: oklch(0.444 0.171 259.4); /* #054cb0 */
--brand-900: oklch(0.396 0.154 259.4); /* #024097 */
--brand-950: oklch(0.281 0.108 259.4); /* #01255d */
}