Color

#0f09ce

#0f09ce
hex#0f09ce
rgbrgb(15, 9, 206)
hslhsl(242, 92%, 42%)
oklchoklch(0.392 0.262 265.7)
Closest name: mediumblue (#0000cd)Relative luminance 0.0475

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c7ce09

#0965ce · #7209ce

#ce0f09 · #09ce0f

Split-complementary

Open in tool →

#ce7209 · #65ce09

#ce0965 · #c7ce09 · #09ce72

Contrast

#0f09ce as textRatioAAAA largeAAAFix
Aaon white
10.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #6762f8 as the text (4.68:1)
  • AAA: use #8d89fa as the text (7.09:1)
  • AA: or shift the background to #a8a8a8 (4.53:1)
  • AAA: or shift the background to #d1d1d1 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f09ce as the background.

Brands using this color

Fonts for this mood

#0f09ce reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f09ce
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 #0f09ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f09ce-a29cc4-df9e4e-261f2d-e9edf1?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