#3A78D1Blue

#3A78D1 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.

#3A78D1
CSS Nameroyalblue (closest)

Tints and shades (50–950)

50#f1f6fd
100#e0ebfa
200#c5dbfa
300#9cc2fa
400#6ca3f3
500#488aea
600#3778d3
700#2762b6
800#1e529a
900#174584
950#0b2851

Accessibility

Contrast on white
4.39:1
Contrast on black
4.79:1
  • 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 0.011 257.8); /* #f1f6fd */
  --brand-100: oklch(0.936 0.024 257.8); /* #e0ebfa */
  --brand-200: oklch(0.885 0.049 257.8); /* #c5dbfa */
  --brand-300: oklch(0.808 0.089 257.8); /* #9cc2fa */
  --brand-400: oklch(0.712 0.132 257.8); /* #6ca3f3 */
  --brand-500: oklch(0.637 0.159 257.8); /* #488aea */
  --brand-600: oklch(0.577 0.156 257.8); /* #3778d3 */
  --brand-700: oklch(0.505 0.146 257.8); /* #2762b6 */
  --brand-800: oklch(0.444 0.13 257.8); /* #1e529a */
  --brand-900: oklch(0.396 0.118 257.8); /* #174584 */
  --brand-950: oklch(0.281 0.083 257.8); /* #0b2851 */
}

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