Color

#310368

#310368
hex#310368
rgbrgb(49, 3, 104)
hslhsl(267, 94%, 21%)
oklchoklch(0.278 0.149 294.1)
Closest name: Galactic Federation (#330077)Relative luminance 0.0172

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3b6803

#030868 · #630368

#683103 · #036831

Split-complementary

Open in tool →

#686303 · #086803

#680308 · #3b6803 · #036863

Contrast

#310368 as textRatioAAAA largeAAAFix
Aaon white
15.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #9848f9 as the text (4.63:1)
  • AAA: use #b479fb as the text (7.07:1)
  • AA: or shift the background to #8a8a8a (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #310368 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

#310368 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310368
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 #310368 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310368-b39cc4-dfda4e-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