#428BF2 — Blue
#428BF2 is a blue in the Blue family. In practice it looks like a balanced 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.
#428BF2Tints and shades (50–950)
Accessibility
Contrast on white
3.38:1
Contrast on black
6.21:1
- 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 0.013 257.6); /* #f0f6fe */
--brand-100: oklch(0.936 0.027 257.6); /* #dfebfc */
--brand-200: oklch(0.885 0.056 257.6); /* #c3dbfe */
--brand-300: oklch(0.808 0.097 257.6); /* #99c2ff */
--brand-400: oklch(0.712 0.149 257.6); /* #63a3fd */
--brand-500: oklch(0.637 0.179 257.6); /* #3b89f5 */
--brand-600: oklch(0.577 0.176 257.6); /* #2a76df */
--brand-700: oklch(0.505 0.165 257.6); /* #1861c0 */
--brand-800: oklch(0.444 0.147 257.6); /* #1150a3 */
--brand-900: oklch(0.396 0.133 257.6); /* #0b438c */
--brand-950: oklch(0.281 0.093 257.6); /* #052756 */
}