#378EE3 — Blue
#378EE3 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.
#378EE3
Tints and shades (50–950)
Accessibility
Contrast on white
3.42:1
Contrast on black
6.14:1
- 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 0.011 251.1); /* #f0f6fd */
--brand-100: oklch(0.936 0.024 251.1); /* #dfebfa */
--brand-200: oklch(0.885 0.05 251.1); /* #c2dcfa */
--brand-300: oklch(0.808 0.089 251.1); /* #95c5f9 */
--brand-400: oklch(0.712 0.133 251.1); /* #5ea6f2 */
--brand-500: oklch(0.637 0.16 251.1); /* #308ee8 */
--brand-600: oklch(0.577 0.157 251.1); /* #1b7cd2 */
--brand-700: oklch(0.505 0.147 251.1); /* #0166b5 */
--brand-800: oklch(0.444 0.13 251.1); /* #005598 */
--brand-900: oklch(0.396 0.116 251.1); /* #004882 */
--brand-950: oklch(0.281 0.082 251.1); /* #002a50 */
}