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Vibrantblue

Cool Cobalt Fold

#243ca8
Notes

Cool Cobalt Fold (#243CA8) is a true blue with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (229°, 65%, 40%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#243ca8
RGB
rgb(36, 60, 168)
HSL
hsl(229, 65%, 40%)

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