#3663AB — Deep Blue
#3663AB is a deep 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.
#3663AB
Tints and shades (50–950)
Accessibility
Contrast on white
5.95:1
Contrast on black
3.53:1
- AA (4.5:1) on whitePass
- AA Large (3:1) on whitePass
- AAA (7:1) on whiteFail
- AAA Large (4.5:1) on whitePass
- 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 0.009 259.4); /* #f2f6fc */
--brand-100: oklch(0.936 0.02 259.4); /* #e2eaf7 */
--brand-200: oklch(0.885 0.041 259.4); /* #c9daf5 */
--brand-300: oklch(0.808 0.074 259.4); /* #a4c2f0 */
--brand-400: oklch(0.712 0.109 259.4); /* #79a3e6 */
--brand-500: oklch(0.637 0.132 259.4); /* #598bda */
--brand-600: oklch(0.577 0.129 259.4); /* #4979c5 */
--brand-700: oklch(0.505 0.121 259.4); /* #3863a9 */
--brand-800: oklch(0.444 0.108 259.4); /* #2d528e */
--brand-900: oklch(0.396 0.097 259.4); /* #25467a */
--brand-950: oklch(0.281 0.068 259.4); /* #13284a */
}