Color

#247cb7

#247cb7
hex#247cb7
rgbrgb(36, 124, 183)
hslhsl(204, 67%, 43%)
oklchoklch(0.564 0.122 243.3)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1821

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b75f24

#24b7a8 · #2433b7

#b7247c · #7cb724

Split-complementary

Open in tool →

#b72433 · #b7a824

#a824b7 · #b75f24 · #33b724

Contrast

#247cb7 as textRatioAAAA largeAAAFix
Aaon white
4.52:1passpassfail
  • AAA: use #1b5d88 as the text (7.08:1)
Aaon black
4.64:1passpassfail
  • AAA: use #449eda as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #247cb7 as the background.

Brands using this color

Fonts for this mood

#247cb7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #247cb7
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 #247cb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/247cb7-9cafc4-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