#284fbd - Apnea Dive color

A vibrant, mid-to-deep royal blue that leans cool and slightly indigo, offering a crisp, saturated presence. It feels confident and modern, evoking clear summer skies at dusk, polished cobalt glass, or freshly dyed denim. The tone balances strength and approachability—professional without being sterile—making it ideal for tech branding, corporate identity, and maritime themes. Its subtle violet edge adds depth, while the bright midrange keeps it energetic and readable against both light and dark backgrounds.

#284fbd color RGB value is 40, 79, 189, and the CMYK value is 0.788, 0.582, 0.00, 0.259. Alternative names for that color are: apnea dive, indigo, royalblue, cerulean blue, blue.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	40, 79, 189	rgb(40, 79, 189)
CMYK	0.788, 0.582, 0.00, 0.259	-
sRGB	0.157, 0.310, 0.741	rgb(15.7%, 31%, 74.1%)
Adobe® 98 RGB compatible	0.225, 0.314, 0.724	color(a98-rgb, 0.225, 0.314, 0.724)
HCT	274, 60.1, 37.3	color(--hct, 274, 41.4%, 37.3%)
HSL	224, 65.1, 44.9	hsl(224, 65.1%, 44.9%)
HSV	224, 78.8, 74.1	color(--hsv, 224, 78.8%, 74.1%)
HWB	224, 15.7, 25.9	hwb(224, 15.7%, 25.9%)
Lab	36.3, 18.7, -63.1	lab(36.3%, 18.7, -63.1)
P3	0.194, 0.306, 0.715	color(display-p3, 0.194, 0.306, 0.715)
XYZ D50	0.112, 0.0916, 0.371	color(xyz-d50, 0.112, 0.092, 0.371)