#378FE4 — Blue

#378FE4 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.

#378FE4 color swatch, blue#378FE4
CSS Namedodgerblue (closest)

Tints and shades (50–950)

50#f0f6fd
100#deebfa
200#c2dcfa
300#95c5f9
400#5ea7f2
500#2f8ee8
600#197cd2
700#0066b4
800#005597
900#004881
950#002a4f

Accessibility

Contrast on white
3.38:1
Contrast on black
6.21:1
  • 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 0.011 250.9); /* #f0f6fd */
  --brand-100: oklch(0.936 0.024 250.9); /* #deebfa */
  --brand-200: oklch(0.885 0.05 250.9); /* #c2dcfa */
  --brand-300: oklch(0.808 0.09 250.9); /* #95c5f9 */
  --brand-400: oklch(0.712 0.133 250.9); /* #5ea7f2 */
  --brand-500: oklch(0.637 0.16 250.9); /* #2f8ee8 */
  --brand-600: oklch(0.577 0.157 250.9); /* #197cd2 */
  --brand-700: oklch(0.505 0.146 250.9); /* #0066b4 */
  --brand-800: oklch(0.444 0.129 250.9); /* #005597 */
  --brand-900: oklch(0.396 0.115 250.9); /* #004881 */
  --brand-950: oklch(0.281 0.082 250.9); /* #002a4f */
}

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