#1B3A59Dark Blue

#1B3A59 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.

#1B3A59
CSS Namedarkslategray (closest)

Tints and shades (50–950)

50#f3f6f9
100#e5eaf1
200#cfdbe7
300#aec3d9
400#87a5c5
500#6b8fb4
600#5a7da1
700#486788
800#3b5672
900#314961
950#1b2a3a

Accessibility

Contrast on white
11.69:1
Contrast on black
1.80:1
  • 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 0.005 250.4); /* #f3f6f9 */
  --brand-100: oklch(0.936 0.01 250.4); /* #e5eaf1 */
  --brand-200: oklch(0.885 0.022 250.4); /* #cfdbe7 */
  --brand-300: oklch(0.808 0.039 250.4); /* #aec3d9 */
  --brand-400: oklch(0.712 0.058 250.4); /* #87a5c5 */
  --brand-500: oklch(0.637 0.069 250.4); /* #6b8fb4 */
  --brand-600: oklch(0.577 0.068 250.4); /* #5a7da1 */
  --brand-700: oklch(0.505 0.064 250.4); /* #486788 */
  --brand-800: oklch(0.444 0.057 250.4); /* #3b5672 */
  --brand-900: oklch(0.396 0.051 250.4); /* #314961 */
  --brand-950: oklch(0.281 0.036 250.4); /* #1b2a3a */
}

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