Color

#6312bf

#6312bf
hex#6312bf
rgbrgb(99, 18, 191)
hslhsl(268, 83%, 41%)
oklchoklch(0.439 0.23 295.3)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0685

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6ebf12

#1218bf · #ba12bf

#bf6312 · #12bf63

Split-complementary

Open in tool →

#bfba12 · #18bf12

#bf1218 · #6ebf12 · #12bfba

Contrast

#6312bf as textRatioAAAA largeAAAFix
Aaon white
8.86:1passpasspassPasses AAA — no fix needed.
Aaon black
2.37:1failfailfail
  • AA: use #994eef as the text (4.69:1)
  • AAA: use #b47cf3 as the text (7.12:1)
  • AA: or shift the background to #bababa (4.57:1)
  • AAA: or shift the background to #e6e6e6 (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 #6312bf as the background.

Brands using this color

Fonts for this mood

#6312bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6312bf
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 #6312bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6312bf-b39cc4-dfdc4e-2c1f2d-e9eaf1?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