#307EC1 — Blue
#307EC1 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.
#307EC1
Tints and shades (50–950)
Accessibility
Contrast on white
4.30:1
Contrast on black
4.88:1
- 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 0.009 248.2); /* #f1f6fc */
--brand-100: oklch(0.936 0.02 248.2); /* #e0ebf7 */
--brand-200: oklch(0.885 0.042 248.2); /* #c4dcf4 */
--brand-300: oklch(0.808 0.075 248.2); /* #9ac5ef */
--brand-400: oklch(0.712 0.111 248.2); /* #67a8e4 */
--brand-500: oklch(0.637 0.134 248.2); /* #3e90d8 */
--brand-600: oklch(0.577 0.132 248.2); /* #2c7ec3 */
--brand-700: oklch(0.505 0.124 248.2); /* #1a68a7 */
--brand-800: oklch(0.444 0.11 248.2); /* #12578d */
--brand-900: oklch(0.396 0.099 248.2); /* #0c4979 */
--brand-950: oklch(0.281 0.07 248.2); /* #052b4a */
}