Color

#109fcb

#109fcb
hex#109fcb
rgbrgb(16, 159, 203)
hslhsl(194, 85%, 43%)
oklchoklch(0.656 0.124 226.9)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2922

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb3c10

#10cb99 · #1042cb

#cb109f · #9fcb10

Split-complementary

Open in tool →

#cb1042 · #cb9910

#9910cb · #cb3c10 · #42cb10

Contrast

#109fcb as textRatioAAAA largeAAAFix
Aaon white
3.07:1failpassfail
  • AA: use #0d7ea0 as the text (4.66:1)
  • AAA: use #0a607b as the text (7.07:1)
  • AA: or shift the background to #2b2b2b (4.61:1)
Aaon black
6.84:1passpassfail
  • AAA: use #11a3d0 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #109fcb 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

#109fcb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #109fcb
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 #109fcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/109fcb-9cb6c4-df4e72-1f242d-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