#305FB9 — Deep Blue
#305FB9 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.
#305FB9
Tints and shades (50–950)
Accessibility
Contrast on white
6.06:1
Contrast on black
3.46:1
- 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 0.011 261.8); /* #f1f6fd */
--brand-100: oklch(0.936 0.024 261.8); /* #e1eafa */
--brand-200: oklch(0.885 0.049 261.8); /* #c8dafb */
--brand-300: oklch(0.808 0.089 261.8); /* #a1c1fa */
--brand-400: oklch(0.712 0.132 261.8); /* #74a1f4 */
--brand-500: oklch(0.637 0.159 261.8); /* #5388eb */
--brand-600: oklch(0.577 0.156 261.8); /* #4375d4 */
--brand-700: oklch(0.505 0.146 261.8); /* #3360b7 */
--brand-800: oklch(0.444 0.13 261.8); /* #28509b */
--brand-900: oklch(0.396 0.118 261.8); /* #214385 */
--brand-950: oklch(0.281 0.083 261.8); /* #112751 */
}