#538BF4 — Blue
#538BF4 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.
#538BF4
Tints and shades (50–950)
Accessibility
Contrast on white
3.30:1
Contrast on black
6.37:1
- 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 0.012 261.7); /* #f1f6fe */
--brand-100: oklch(0.936 0.026 261.7); /* #e0eafc */
--brand-200: oklch(0.885 0.055 261.7); /* #c6dafe */
--brand-300: oklch(0.808 0.096 261.7); /* #9ec1ff */
--brand-400: oklch(0.712 0.146 261.7); /* #6ea0fd */
--brand-500: oklch(0.637 0.176 261.7); /* #4c86f4 */
--brand-600: oklch(0.577 0.173 261.7); /* #3c74de */
--brand-700: oklch(0.505 0.162 261.7); /* #2c5fc0 */
--brand-800: oklch(0.444 0.145 261.7); /* #224ea2 */
--brand-900: oklch(0.396 0.13 261.7); /* #1b428b */
--brand-950: oklch(0.281 0.092 261.7); /* #0d2655 */
}