Color

#48afef

#48afef
hex#48afef
rgbrgb(72, 175, 239)
hslhsl(203, 84%, 61%)
oklchoklch(0.721 0.133 239.7)
Closest name: Cerulean (#55aaee)Relative luminance 0.3827

Colors that go with #48afef

Charcoal, Peru and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ef8848

#48efdc · #485cef

#ef48af · #afef48

Split-complementary

Open in tool →

#ef485c · #efdc48

#dc48ef · #ef8848 · #5cef48

Contrast

#48afef as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #107abc as the text (4.63:1)
  • AAA: use #0c5b8d as the text (7.25:1)
  • AA: or shift the background to #3b3b3b (4.62:1)
  • AAA: or shift the background to #1c1c1c (7.02:1)
Aaon black
8.65:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #48afef as the background.

Brands using this color

Fonts for this mood

#48afef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #48afef
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #48afef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/48afef-9cb0c4-df4e5d-1f222d-e9f1f0?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md