#3667CCDeep Blue

#3667CC 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.

#3667CC
CSS Nameroyalblue (closest)

Tints and shades (50–950)

50#f1f6fe
100#e1eafc
200#c6dafe
300#9fc1ff
400#71a0fc
500#5086f3
600#4073dd
700#305ebf
800#264ea1
900#1e418b
950#0f2655

Accessibility

Contrast on white
5.29:1
Contrast on black
3.97:1
  • 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 0.012 262.7); /* #f1f6fe */
  --brand-100: oklch(0.936 0.026 262.7); /* #e1eafc */
  --brand-200: oklch(0.885 0.054 262.7); /* #c6dafe */
  --brand-300: oklch(0.808 0.096 262.7); /* #9fc1ff */
  --brand-400: oklch(0.712 0.144 262.7); /* #71a0fc */
  --brand-500: oklch(0.637 0.174 262.7); /* #5086f3 */
  --brand-600: oklch(0.577 0.171 262.7); /* #4073dd */
  --brand-700: oklch(0.505 0.16 262.7); /* #305ebf */
  --brand-800: oklch(0.444 0.143 262.7); /* #264ea1 */
  --brand-900: oklch(0.396 0.129 262.7); /* #1e418b */
  --brand-950: oklch(0.281 0.091 262.7); /* #0f2655 */
}

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