#665CFAVivid Indigo

#665CFA is a vivid indigo in the Indigo family. In practice it looks like a bold, saturated medium indigo, and it is also commonly known as Indigo, Iris Blue. Below are all of its color space values, an 11-step scale, harmony palettes and accessibility data.

#665CFA
CSS Namemediumslateblue (closest)

Tints and shades (50–950)

50#f3f5ff
100#e5e8ff
200#d1d6ff
300#b3baff
400#9095ff
500#7776ff
600#665afd
700#5445dc
800#4538bb
900#3a2ea1
950#211963

Accessibility

Contrast on white
4.69:1
Contrast on black
4.48:1
  • 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 0.014 279.4); /* #f3f5ff */
  --brand-100: oklch(0.936 0.031 279.4); /* #e5e8ff */
  --brand-200: oklch(0.885 0.057 279.4); /* #d1d6ff */
  --brand-300: oklch(0.808 0.098 279.4); /* #b3baff */
  --brand-400: oklch(0.712 0.153 279.4); /* #9095ff */
  --brand-500: oklch(0.637 0.198 279.4); /* #7776ff */
  --brand-600: oklch(0.577 0.233 279.4); /* #665afd */
  --brand-700: oklch(0.505 0.219 279.4); /* #5445dc */
  --brand-800: oklch(0.444 0.195 279.4); /* #4538bb */
  --brand-900: oklch(0.396 0.176 279.4); /* #3a2ea1 */
  --brand-950: oklch(0.281 0.124 279.4); /* #211963 */
}

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