#3F6DB2 — Deep Blue
#3F6DB2 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.
#3F6DB2
Tints and shades (50–950)
Accessibility
Contrast on white
5.20:1
Contrast on black
4.04:1
- 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 0.009 258.3); /* #f2f6fc */
--brand-100: oklch(0.936 0.019 258.3); /* #e2ebf7 */
--brand-200: oklch(0.885 0.039 258.3); /* #cadaf4 */
--brand-300: oklch(0.808 0.071 258.3); /* #a5c2ee */
--brand-400: oklch(0.712 0.105 258.3); /* #79a4e3 */
--brand-500: oklch(0.637 0.126 258.3); /* #5a8cd7 */
--brand-600: oklch(0.577 0.124 258.3); /* #4979c1 */
--brand-700: oklch(0.505 0.116 258.3); /* #3864a6 */
--brand-800: oklch(0.444 0.103 258.3); /* #2d538c */
--brand-900: oklch(0.396 0.093 258.3); /* #254678 */
--brand-950: oklch(0.281 0.066 258.3); /* #132949 */
}