About the Spring Harbor palette
Spring Harbor pairs #112560 with #232495 and #4D1FE0 for a composed and spacious impression. Its darkest shade, #112560, anchors the composition while #D9A1ED supplies the lightest counterpoint; #4D1FE0 is the strongest saturation accent. The 7.05:1 contrast between the endpoints helps determine whether those two shades belong in text, decoration, or separate surfaces.
Spring Harbor is a cool color palette built from indigo, purple tones. It contains five colors: #112560, #232495, #4D1FE0, #A276D1, #D9A1ED. The strongest contrast pair in the palette reaches 7.0:1, which is enough for readable body text (WCAG AA).
How to use it
Use the darkest shade for text or backgrounds, the most saturated color for buttons and links, and lighter tones for surfaces and highlights. Copy the CSS variables above, or check any pair in the Contrast Checker.

