#3E5571 — Deep Blue

#3E5571 is a deep 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.

#3E5571
CSS Namedarkslategray (closest)

Tints and shades (50–950)

50#f4f6f8
100#e6eaf0
200#d1dae5
300#b2c2d5
400#8ea4c0
500#738eae
600#627c9a
700#506782
800#42556d
900#37485d
950#1f2a38

Accessibility

Contrast on white
7.66:1
Contrast on black
2.74:1
  • 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 0.004 253.8); /* #f4f6f8 */
  --brand-100: oklch(0.936 0.009 253.8); /* #e6eaf0 */
  --brand-200: oklch(0.885 0.018 253.8); /* #d1dae5 */
  --brand-300: oklch(0.808 0.032 253.8); /* #b2c2d5 */
  --brand-400: oklch(0.712 0.047 253.8); /* #8ea4c0 */
  --brand-500: oklch(0.637 0.057 253.8); /* #738eae */
  --brand-600: oklch(0.577 0.056 253.8); /* #627c9a */
  --brand-700: oklch(0.505 0.052 253.8); /* #506782 */
  --brand-800: oklch(0.444 0.047 253.8); /* #42556d */
  --brand-900: oklch(0.396 0.042 253.8); /* #37485d */
  --brand-950: oklch(0.281 0.03 253.8); /* #1f2a38 */
}

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