Color

#48aff4

#48aff4
hex#48aff4
rgbrgb(72, 175, 244)
hslhsl(204, 89%, 62%)
oklchoklch(0.724 0.138 241.7)
Closest name: Cerulean (#55aaee)Relative luminance 0.3857

Colors that go with #48aff4

Charcoal, Dark Orange 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 →

#f48d48

#48f4e3 · #4859f4

#f448af · #aff448

Split-complementary

Open in tool →

#f44859 · #f4e348

#e348f4 · #f48d48 · #59f448

Contrast

#48aff4 as textRatioAAAA largeAAAFix
Aaon white
2.41:1failfailfail
  • AA: use #0c7bc6 as the text (4.5:1)
  • AAA: use #085a91 as the text (7.29:1)
  • AA: or shift the background to #3d3d3d (4.51:1)
  • AAA: or shift the background to #1c1c1c (7.07:1)
Aaon black
8.71:1passpasspassPasses 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 #48aff4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#48aff4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #48aff4
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 #48aff4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/48aff4-9cafc4-df4e5a-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