#3F7BF3 — Vivid Blue
#3F7BF3 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.
#3F7BF3
Tints and shades (50–950)
Accessibility
Contrast on white
3.93:1
Contrast on black
5.34:1
- 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 0.014 262.3); /* #f1f6ff */
--brand-100: oklch(0.936 0.03 262.3); /* #dfeaff */
--brand-200: oklch(0.885 0.056 262.3); /* #c5daff */
--brand-300: oklch(0.808 0.096 262.3); /* #9fc1ff */
--brand-400: oklch(0.712 0.15 262.3); /* #6ea0ff */
--brand-500: oklch(0.637 0.194 262.3); /* #4684ff */
--brand-600: oklch(0.577 0.197 262.3); /* #3470eb */
--brand-700: oklch(0.505 0.185 262.3); /* #245bcc */
--brand-800: oklch(0.444 0.165 262.3); /* #1b4bad */
--brand-900: oklch(0.396 0.148 262.3); /* #153f95 */
--brand-950: oklch(0.281 0.104 262.3); /* #09245b */
}