Color

#310abd

#310abd
hex#310abd
rgbrgb(49, 10, 189)
hslhsl(253, 90%, 39%)
oklchoklch(0.386 0.236 275.1)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0454

Tints & shades

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

Harmonies

Complementary

Open in tool →

#96bd0a

#0a3dbd · #8a0abd

#bd310a · #0abd31

Split-complementary

Open in tool →

#bd8a0a · #3dbd0a

#bd0a3d · #96bd0a · #0abd8a

Contrast

#310abd as textRatioAAAA largeAAAFix
Aaon white
11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #7c5af6 as the text (4.65:1)
  • AAA: use #9f86f9 as the text (7.25:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #310abd as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#310abd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310abd
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 #310abd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310abd-a99cc4-dfb84e-281f2d-e9ebf1?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