#1B2B8FDark Indigo

#1B2B8F is a dark indigo in the Indigo family. In practice it looks like a balanced medium-dark deep indigo, and it is also commonly known as Deep Indigo. Below are all of its color space values, an 11-step scale, harmony palettes and accessibility data.

#1B2B8F
CSS Namemidnightblue (closest)

Tints and shades (50–950)

50#f2f5fe
100#e2eafc
200#cad9fe
300#a6beff
400#7d9dfb
500#6082f3
600#5070dc
700#405bbe
800#344ba1
900#2b3f8a
950#172455

Accessibility

Contrast on white
11.74:1
Contrast on black
1.79:1
  • AA (4.5:1) on whitePass
  • AA Large (3:1) on whitePass
  • AAA (7:1) on whitePass
  • 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 0.012 268.6); /* #f2f5fe */
  --brand-100: oklch(0.936 0.026 268.6); /* #e2eafc */
  --brand-200: oklch(0.885 0.053 268.6); /* #cad9fe */
  --brand-300: oklch(0.808 0.096 268.6); /* #a6beff */
  --brand-400: oklch(0.712 0.143 268.6); /* #7d9dfb */
  --brand-500: oklch(0.637 0.172 268.6); /* #6082f3 */
  --brand-600: oklch(0.577 0.169 268.6); /* #5070dc */
  --brand-700: oklch(0.505 0.159 268.6); /* #405bbe */
  --brand-800: oklch(0.444 0.141 268.6); /* #344ba1 */
  --brand-900: oklch(0.396 0.128 268.6); /* #2b3f8a */
  --brand-950: oklch(0.281 0.09 268.6); /* #172455 */
}

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