Coolindigodeep
HSL
267° · 57% · 10%
Dusky Twilight Pearl
#180b28
Notes
Dusky Twilight Pearl (#180B28) is a deep indigo 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 (267°, 57%, 10%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary lime. For something softer, pull in its analogous neighbors on either side of the wheel.
HEX
#180b28
RGB
rgb(24, 11, 40)
HSL
hsl(267, 57%, 10%)
Tints & Shades
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Complementary
Split Complementary