#388EE4 — Blue
#388EE4 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.
#388EE4
Tints and shades (50–950)
Accessibility
Contrast on white
3.41:1
Contrast on black
6.16:1
- 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 0.011 251.6); /* #f0f6fd */
--brand-100: oklch(0.936 0.024 251.6); /* #dfebfa */
--brand-200: oklch(0.885 0.05 251.6); /* #c2dcfa */
--brand-300: oklch(0.808 0.09 251.6); /* #95c5f9 */
--brand-400: oklch(0.712 0.133 251.6); /* #5fa6f2 */
--brand-500: oklch(0.637 0.161 251.6); /* #318ee8 */
--brand-600: oklch(0.577 0.157 251.6); /* #1c7bd2 */
--brand-700: oklch(0.505 0.148 251.6); /* #0366b5 */
--brand-800: oklch(0.444 0.131 251.6); /* #005499 */
--brand-900: oklch(0.396 0.117 251.6); /* #004783 */
--brand-950: oklch(0.281 0.083 251.6); /* #002a50 */
}