Color

#247fbc

#247fbc
hex#247fbc
rgbrgb(36, 127, 188)
hslhsl(204, 68%, 44%)
oklchoklch(0.574 0.125 243.5)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1918

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc6124

#24bcad · #2433bc

#bc247f · #7fbc24

Split-complementary

Open in tool →

#bc2433 · #bcad24

#ad24bc · #bc6124 · #33bc24

Contrast

#247fbc as textRatioAAAA largeAAAFix
Aaon white
4.34:1failpassfail
  • AA: use #227ab4 as the text (4.66:1)
  • AAA: use #1a5d89 as the text (7.07:1)
  • AA: or shift the background to #0a0a0a (4.56:1)
Aaon black
4.84:1passpassfail
  • AAA: use #439edb 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 #247fbc 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

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

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

tool url/palettes/new/247fbc-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