Coolbluedeep
HSL
228° · 56% · 33%
Quiet Cobalt Quartz
#253883
Notes
Quiet Cobalt Quartz (#253883) is a deep 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°, 56%, 33%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.
HEX
#253883
RGB
rgb(37, 56, 131)
HSL
hsl(228, 56%, 33%)
Tints & Shades
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Complementary
Split Complementary