#4378CA — Blue
#4378CA 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.
#4378CA
Tints and shades (50–950)
Accessibility
Contrast on white
4.40:1
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 0.01 258.9); /* #f1f6fd */
--brand-100: oklch(0.936 0.022 258.9); /* #e1ebf9 */
--brand-200: oklch(0.885 0.045 258.9); /* #c8dbf8 */
--brand-300: oklch(0.808 0.082 258.9); /* #a1c2f5 */
--brand-400: oklch(0.712 0.121 258.9); /* #73a3ed */
--brand-500: oklch(0.637 0.146 258.9); /* #518ae2 */
--brand-600: oklch(0.577 0.143 258.9); /* #4178cc */
--brand-700: oklch(0.505 0.134 258.9); /* #3163b0 */
--brand-800: oklch(0.444 0.12 258.9); /* #275295 */
--brand-900: oklch(0.396 0.108 258.9); /* #1f457f */
--brand-950: oklch(0.281 0.076 258.9); /* #10284e */
}