#6399EB — Blue
#6399EB 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.
Tints and shades (50–950)
Accessibility
Contrast on white
2.88:1
Contrast on black
7.29:1
- AA (4.5:1) on whiteFail
- AA Large (3:1) on whiteFail
- AAA (7:1) on whiteFail
- AAA Large (4.5:1) on whiteFail
- UI components (3:1) on whiteFail
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 0.01 258.5); /* #f1f6fc */
--brand-100: oklch(0.936 0.021 258.5); /* #e1ebf8 */
--brand-200: oklch(0.885 0.044 258.5); /* #c8dbf7 */
--brand-300: oklch(0.808 0.079 258.5); /* #a1c2f4 */
--brand-400: oklch(0.712 0.118 258.5); /* #74a3eb */
--brand-500: oklch(0.637 0.142 258.5); /* #538be0 */
--brand-600: oklch(0.577 0.139 258.5); /* #4278ca */
--brand-700: oklch(0.505 0.13 258.5); /* #3263ae */
--brand-800: oklch(0.444 0.116 258.5); /* #285293 */
--brand-900: oklch(0.396 0.105 258.5); /* #20457e */
--brand-950: oklch(0.281 0.074 258.5); /* #10284d */
}