More than a nursery color
Baby blue is closely tied to nurseries, baby showers and gender reveals. The blue-for-boys, pink-for-girls convention, however, only settled in over the 20th century and is neither universal nor fixed; plenty of parents now choose neutral palettes. Outside the baby aisle, baby blue reads as soft, clean and calm, and it has made a strong comeback in fashion and interiors as part of pastel palettes.
The reference HEX, #89CFF0, works out to hsl(199, 77%, 74%): a light blue with a faint green lean and enough saturation that it never looks gray.
Where it works
Interiors
In bedrooms, bathrooms and small kitchens, baby blue makes the space feel larger. On walls it looks cooler under daylight-white bulbs and greener under warm ones, so test a sample in the room before committing.
Fashion
Baby-blue shirts, dresses and knitwear soften an outfit and pair easily with denim, gray and beige. It is a gentler alternative to the standard light-blue dress shirt.
Web and UI
It works well as a background for info alerts, cards and page sections, but never as a text color on white: contrast is only about 1.7:1. On top of it, use black text or navy blue.
Pastel palettes and contrasts
For a coherent pastel palette, pair baby blue with baby pink (#F4C2C2), mint green (#98FF98) and lavender (#E6E6FA). For something less childlike, swap the pastels for gray (#808080) and pale wood, or add contrast with coral (#FF7F50). The color harmony guide explains why these pairings work.
Tip: pastels in print
Light shades like #89CFF0 print with very little ink (in CMYK, about 43% cyan, 14% magenta, 0% yellow and 6% black), so any tint in the paper shows through. On off-white or cream stock, baby blue drifts toward green. For invitations and party stationery, choose a neutral white paper and ask for a proof before the full run.