Color

#247bf5

#247bf5
hex#247bf5
rgbrgb(36, 123, 245)
hslhsl(215, 91%, 55%)
oklchoklch(0.602 0.2 258.3)
Closest name: Azure (#007fff)Relative luminance 0.2113

Colors that go with #247bf5

Charcoal, Crimson and Copper 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 →

#f59e24

#24e3f5 · #3524f5

#f5247b · #7bf524

Split-complementary

Open in tool →

#f53524 · #e3f524

#f524e3 · #f59e24 · #24f535

Contrast

#247bf5 as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #106ff4 as the text (4.56:1)
  • AAA: use #0952b9 as the text (7.19:1)
  • AA: or shift the background to #141414 (4.59:1)
Aaon black
5.23:1passpassfail
  • AAA: use #5598f7 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #247bf5 as the background.

Brands using this color

Fonts for this mood

#247bf5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #247bf5
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 #247bf5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/247bf5-9ca8c4-df5d4e-201f2d-e9f0f1?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