#4289CC — Blue
#4289CC 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.
#4289CC
Tints and shades (50–950)
Accessibility
Contrast on white
3.70:1
Contrast on black
5.68:1
- 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 0.009 249.4); /* #f1f6fc */
--brand-100: oklch(0.936 0.02 249.4); /* #e0ebf7 */
--brand-200: oklch(0.885 0.041 249.4); /* #c5dcf3 */
--brand-300: oklch(0.808 0.073 249.4); /* #9cc5ee */
--brand-400: oklch(0.712 0.109 249.4); /* #6ba7e3 */
--brand-500: oklch(0.637 0.131 249.4); /* #4490d7 */
--brand-600: oklch(0.577 0.128 249.4); /* #337dc1 */
--brand-700: oklch(0.505 0.12 249.4); /* #2168a6 */
--brand-800: oklch(0.444 0.107 249.4); /* #19568c */
--brand-900: oklch(0.396 0.097 249.4); /* #134978 */
--brand-950: oklch(0.281 0.068 249.4); /* #082b49 */
}