Color

#000cfa

#000cfa
hex#000cfa
rgbrgb(0, 12, 250)
hslhsl(237, 100%, 49%)
oklchoklch(0.449 0.306 264.1)
Closest name: blue (#0000ff)Relative luminance 0.0717

Tints & shades

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

Harmonies

Complementary

Open in tool →

#faed00

#0089fa · #7000fa

#fa000c · #0cfa00

Split-complementary

Open in tool →

#fa7000 · #89fa00

#fa0089 · #faed00 · #00fa70

Contrast

#000cfa as textRatioAAAA largeAAAFix
Aaon white
8.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #5c64ff as the text (4.72:1)
  • AAA: use #858bff as the text (7.13:1)
  • AA: or shift the background to #bdbdbd (4.59:1)
  • AAA: or shift the background to #e8e8e8 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #000cfa as the background.

Brands using this color

Fonts for this mood

#000cfa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #000cfa
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 #000cfa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/000cfa-9f9cc4-df924e-251f2d-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