#4278CB — Blue
#4278CB 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.
#4278CB
Tints and shades (50–950)
Accessibility
Contrast on white
4.39:1
Contrast on black
4.78:1
- 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 0.01 258.8); /* #f1f6fd */
--brand-100: oklch(0.936 0.022 258.8); /* #e1ebf9 */
--brand-200: oklch(0.885 0.046 258.8); /* #c7dbf8 */
--brand-300: oklch(0.808 0.083 258.8); /* #a0c2f6 */
--brand-400: oklch(0.712 0.123 258.8); /* #72a3ee */
--brand-500: oklch(0.637 0.148 258.8); /* #508ae3 */
--brand-600: oklch(0.577 0.145 258.8); /* #4078cd */
--brand-700: oklch(0.505 0.136 258.8); /* #3063b1 */
--brand-800: oklch(0.444 0.121 258.8); /* #265295 */
--brand-900: oklch(0.396 0.109 258.8); /* #1e4580 */
--brand-950: oklch(0.281 0.077 258.8); /* #0f284e */
}