Quiet Cobalt Brush

#1b1b6a

Notes

Quiet Cobalt Brush (#1B1B6A) 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 (240°, 59%, 26%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX

#1b1b6a

RGB

rgb(27, 27, 106)

HSL

hsl(240, 59%, 26%)