Coolblue
HSL
240° · 71% · 39%
Soft Cobalt Sheen
#1d1daa
Notes
Soft Cobalt Sheen (#1D1DAA) 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 (240°, 71%, 39%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.
HEX
#1d1daa
RGB
rgb(29, 29, 170)
HSL
hsl(240, 71%, 39%)
Tints & Shades
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Complementary
Split Complementary