Color

#0811bf

#0811bf
hex#0811bf
rgbrgb(8, 17, 191)
hslhsl(237, 92%, 39%)
oklchoklch(0.374 0.245 265.1)
Closest name: mediumblue (#0000cd)Relative luminance 0.0421

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfb608

#086dbf · #5a08bf

#bf0811 · #11bf08

Split-complementary

Open in tool →

#bf5a08 · #6dbf08

#bf086d · #bfb608 · #08bf5a

Contrast

#0811bf as textRatioAAAA largeAAAFix
Aaon white
11.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #5d65f8 as the text (4.68:1)
  • AAA: use #858afa as the text (7.01:1)
  • AA: or shift the background to #a3a3a3 (4.52:1)
  • AAA: or shift the background to #cccccc (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0811bf as the background.

Brands using this color

Fonts for this mood

#0811bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0811bf
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 #0811bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0811bf-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