#5577ee - Blue Oyster Cult color

A clear, vivid azure-blue with a slight violet tint, balancing brightness and depth. It reads as a lively, modern blue—clean and energetic without being neon—evoking a clear daytime sky mixed with a hint of periwinkle. Ideal for call-to-action buttons, tech and creative branding, or accents that need friendly professionalism. Pairs well with warm creams, soft corals, or muted golds for contrast, conveying optimism, trustworthiness, and youthful sophistication.

#5577ee color RGB value is 85, 119, 238, and the CMYK value is 0.643, 0.500, 0.00, 0.0667. Alternative names for that color are: blue oyster cult, indigo, royalblue, royal blue, blue.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	85, 119, 238	rgb(85, 119, 238)
CMYK	0.643, 0.500, 0.00, 0.0667	-
sRGB	0.333, 0.467, 0.933	rgb(33.3%, 46.7%, 93.3%)
Adobe® 98 RGB compatible	0.378, 0.464, 0.917	color(a98-rgb, 0.378, 0.464, 0.917)
HCT	275, 62.8, 53.3	color(--hct, 275, 43.3%, 53.3%)
HSL	227, 81.8, 63.3	hsl(227, 81.8%, 63.3%)
HSV	227, 64.3, 93.3	color(--hsv, 227, 64.3%, 93.3%)
HWB	227, 33.3, 6.67	hwb(227, 33.3%, 6.67%)
Lab	52.3, 16.9, -65.0	lab(52.3%, 16.9, -65)
P3	0.361, 0.463, 0.903	color(display-p3, 0.361, 0.463, 0.903)
XYZ D50	0.233, 0.204, 0.630	color(xyz-d50, 0.233, 0.204, 0.63)