Color

#0011fa

#0011fa
hex#0011fa
rgbrgb(0, 17, 250)
hslhsl(236, 100%, 49%)
oklchoklch(0.451 0.304 264.1)
Closest name: blue (#0000ff)Relative luminance 0.073

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fae900

#008efa · #6c00fa

#fa0011 · #11fa00

Split-complementary

Open in tool →

#fa6c00 · #8efa00

#fa008e · #fae900 · #00fa6c

Contrast

#0011fa as textRatioAAAA largeAAAFix
Aaon white
8.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #5762ff as the text (4.6:1)
  • AAA: use #858dff as the text (7.25:1)
  • AA: or shift the background to #bdbdbd (4.54:1)
  • AAA: or shift the background to #ebebeb (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0011fa as the background.

Brands using this color

Fonts for this mood

#0011fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0011fa
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 #0011fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0011fa-9e9cc4-df8f4e-241f2d-e9eef1?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