#3F5ECB — Deep Blue
#3F5ECB 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.
#3F5ECB
Tints and shades (50–950)
Accessibility
Contrast on white
5.71:1
Contrast on black
3.67:1
- 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 0.013 267.9); /* #f2f5fe */
--brand-100: oklch(0.936 0.027 267.9); /* #e2eafd */
--brand-200: oklch(0.885 0.056 267.9); /* #c9d9ff */
--brand-300: oklch(0.808 0.096 267.9); /* #a6beff */
--brand-400: oklch(0.712 0.149 267.9); /* #7a9cff */
--brand-500: oklch(0.637 0.181 267.9); /* #5c81f8 */
--brand-600: oklch(0.577 0.178 267.9); /* #4d6fe1 */
--brand-700: oklch(0.505 0.167 267.9); /* #3c5ac2 */
--brand-800: oklch(0.444 0.149 267.9); /* #314aa5 */
--brand-900: oklch(0.396 0.134 267.9); /* #283e8e */
--brand-950: oklch(0.281 0.094 267.9); /* #152457 */
}