#307FBE — Blue
#307FBE 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.
#307FBE
Tints and shades (50–950)
Accessibility
Contrast on white
4.28:1
Contrast on black
4.90:1
- 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 0.009 246.4); /* #f1f6fb */
--brand-100: oklch(0.936 0.019 246.4); /* #e0ebf6 */
--brand-200: oklch(0.885 0.04 246.4); /* #c4dcf3 */
--brand-300: oklch(0.808 0.073 246.4); /* #9ac5ed */
--brand-400: oklch(0.712 0.107 246.4); /* #67a8e1 */
--brand-500: oklch(0.637 0.129 246.4); /* #3e91d5 */
--brand-600: oklch(0.577 0.127 246.4); /* #2c7fc0 */
--brand-700: oklch(0.505 0.119 246.4); /* #1969a4 */
--brand-800: oklch(0.444 0.106 246.4); /* #11578a */
--brand-900: oklch(0.396 0.096 246.4); /* #0c4a77 */
--brand-950: oklch(0.281 0.067 246.4); /* #052b48 */
}