Coolblue
HSL
228° · 61% · 52%
Rich Denim Echo
#3a58cf
Notes
Rich Denim Echo (#3A58CF) is a true blue with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (228°, 61%, 52%) 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
#3a58cf
RGB
rgb(58, 88, 207)
HSL
hsl(228, 61%, 52%)
Tints & Shades
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Complementary
Split Complementary