Color

#48acef

#48acef
hex#48acef
rgbrgb(72, 172, 239)
hslhsl(204, 84%, 61%)
oklchoklch(0.715 0.135 241.6)
Closest name: Cerulean (#55aaee)Relative luminance 0.3711

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef8b48

#48efde · #4859ef

#ef48ac · #acef48

Split-complementary

Open in tool →

#ef4859 · #efde48

#de48ef · #ef8b48 · #59ef48

Contrast

#48acef as textRatioAAAA largeAAAFix
Aaon white
2.49:1failfailfail
  • AA: use #117ac0 as the text (4.6:1)
  • AAA: use #0d5c91 as the text (7.1:1)
  • AA: or shift the background to #383838 (4.7:1)
  • AAA: or shift the background to #171717 (7.19:1)
Aaon black
8.42:1passpasspassPasses 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 #48acef as the background.

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #48acef
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

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

tool url/palettes/new/48acef-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