#289dbe - Horizon Blue color

Vivid, medium-bright cyan-blue with a fresh, aquatic quality. It balances cool serenity with lively energy—blue-dominated but leaning slightly toward aqua, producing a crisp, invigorating tone. This shade feels modern and clean, evoking tropical seas, clear summer skies, and polished tech interfaces. It works well for accents, call-to-action elements, and branding that seeks clarity and approachability. Paired with white, charcoal, or coral accents, it reads as both calming and confidently vibrant.

#289dbe color RGB value is 40, 157, 190, and the CMYK value is 0.789, 0.174, 0.00, 0.255. Alternative names for that color are: horizon blue, teal, cadetblue, bondi blue, blue green, violet.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	40, 157, 190	rgb(40, 157, 190)
CMYK	0.789, 0.174, 0.00, 0.255	-
sRGB	0.157, 0.616, 0.745	rgb(15.7%, 61.6%, 74.5%)
Adobe® 98 RGB compatible	0.368, 0.610, 0.735	color(a98-rgb, 0.368, 0.61, 0.735)
HCT	223, 44.3, 60.1	color(--hct, 223, 30.5%, 60.1%)
HSL	193, 65.2, 45.1	hsl(193, 65.2%, 45.1%)
HSV	193, 78.9, 74.5	color(--hsv, 193, 78.9%, 74.5%)
HWB	193, 15.7, 25.5	hwb(193, 15.7%, 25.5%)
Lab	59.7, -24.0, -26.7	lab(59.7%, -24, -26.7)
P3	0.308, 0.607, 0.731	color(display-p3, 0.308, 0.607, 0.731)
XYZ D50	0.213, 0.278, 0.401	color(xyz-d50, 0.213, 0.278, 0.401)