#283A66 — Dark Blue

#283A66 is a dark blue in the Blue family. In practice it looks like a soft, dusty medium-dark navy blue, and it is also commonly known as Navy Blue, Sapphire. Below are all of its color space values, an 11-step scale, harmony palettes and accessibility data.

#283A66
CSS Namedarkslateblue (closest)

Tints and shades (50–950)

50#f3f5fa
100#e6eaf3
200#d1d9eb
300#b2c0e0
400#8da2cf
500#738abf
600#6278ab
700#506391
800#41537a
900#374668
950#1f283f

Accessibility

Contrast on white
11.13:1
Contrast on black
1.89:1
  • 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 0.006 265.7); /* #f3f5fa */
  --brand-100: oklch(0.936 0.013 265.7); /* #e6eaf3 */
  --brand-200: oklch(0.885 0.026 265.7); /* #d1d9eb */
  --brand-300: oklch(0.808 0.047 265.7); /* #b2c0e0 */
  --brand-400: oklch(0.712 0.07 265.7); /* #8da2cf */
  --brand-500: oklch(0.637 0.084 265.7); /* #738abf */
  --brand-600: oklch(0.577 0.082 265.7); /* #6278ab */
  --brand-700: oklch(0.505 0.077 265.7); /* #506391 */
  --brand-800: oklch(0.444 0.069 265.7); /* #41537a */
  --brand-900: oklch(0.396 0.062 265.7); /* #374668 */
  --brand-950: oklch(0.281 0.044 265.7); /* #1f283f */
}

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