#3683C5 — Blue
#3683C5 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.
#3683C5
Tints and shades (50–950)
Accessibility
Contrast on white
4.03:1
Contrast on black
5.21:1
- 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 0.009 247.8); /* #f1f6fc */
--brand-100: oklch(0.936 0.02 247.8); /* #e0ebf7 */
--brand-200: oklch(0.885 0.041 247.8); /* #c5dcf4 */
--brand-300: oklch(0.808 0.074 247.8); /* #9ac5ee */
--brand-400: oklch(0.712 0.11 247.8); /* #67a8e3 */
--brand-500: oklch(0.637 0.132 247.8); /* #3f90d7 */
--brand-600: oklch(0.577 0.13 247.8); /* #2d7ec2 */
--brand-700: oklch(0.505 0.122 247.8); /* #1b68a6 */
--brand-800: oklch(0.444 0.109 247.8); /* #13578c */
--brand-900: oklch(0.396 0.098 247.8); /* #0d4978 */
--brand-950: oklch(0.281 0.069 247.8); /* #052b49 */
}