Color

#247fb7

#247fb7
hex#247fb7
rgbrgb(36, 127, 183)
hslhsl(203, 67%, 43%)
oklchoklch(0.571 0.119 241.2)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1897

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b75d24

#24b7a6 · #2435b7

#b7247f · #7fb724

Split-complementary

Open in tool →

#b72435 · #b7a624

#a624b7 · #b75d24 · #35b724

Contrast

#247fb7 as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #237cb3 as the text (4.56:1)
  • AAA: use #1a5b84 as the text (7.31:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.79:1passpassfail
  • AAA: use #3f9ed9 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #247fb7 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

#247fb7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #247fb7
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 #247fb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/247fb7-9cb0c4-df4e5d-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