#537AD9Blue

#537AD9 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.

#537AD9
CSS Nameroyalblue (closest)

Tints and shades (50–950)

50#f2f5fd
100#e2eafa
200#cad9fb
300#a5c0fb
400#7a9ff5
500#5c86eb
600#4c73d5
700#3b5eb7
800#304e9b
900#274285
950#152651

Accessibility

Contrast on white
4.07:1
Contrast on black
5.15:1
  • 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 0.011 265.3); /* #f2f5fd */
  --brand-100: oklch(0.936 0.024 265.3); /* #e2eafa */
  --brand-200: oklch(0.885 0.049 265.3); /* #cad9fb */
  --brand-300: oklch(0.808 0.089 265.3); /* #a5c0fb */
  --brand-400: oklch(0.712 0.132 265.3); /* #7a9ff5 */
  --brand-500: oklch(0.637 0.159 265.3); /* #5c86eb */
  --brand-600: oklch(0.577 0.156 265.3); /* #4c73d5 */
  --brand-700: oklch(0.505 0.146 265.3); /* #3b5eb7 */
  --brand-800: oklch(0.444 0.13 265.3); /* #304e9b */
  --brand-900: oklch(0.396 0.118 265.3); /* #274285 */
  --brand-950: oklch(0.281 0.083 265.3); /* #152651 */
}

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