Color

#247c99

#247c99
hex#247c99
rgbrgb(36, 124, 153)
hslhsl(195, 62%, 37%)
oklchoklch(0.549 0.091 224.7)
Closest name: Bleu Ciel (#007ba1)Relative luminance 0.1709

Colors that go with #247c99

Charcoal, Crimson and Royal Blue 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 →

#994124

#24997c · #244199

#99247c · #7c9924

Split-complementary

Open in tool →

#992441 · #997c24

#7c2499 · #994124 · #419924

Contrast

#247c99 as textRatioAAAA largeAAAFix
Aaon white
4.75:1passpassfail
  • AAA: use #1b5e74 as the text (7.24:1)
Aaon black
4.42:1failpassfail
  • AA: use #257f9d as the text (4.6:1)
  • AAA: use #2fa4ca as the text (7.28:1)
  • AA: or shift the background to #fafafa (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #247c99 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#247c99 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #247c99
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 #247c99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/247c99-9cb5c4-df4e70-1f242d-e9f1ef?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