Color

#0731da

#0731da
hex#0731da
rgbrgb(7, 49, 218)
hslhsl(228, 94%, 44%)
oklchoklch(0.44 0.252 264.5)
Closest name: Brutally Blue (#0022dd)Relative luminance 0.073

Tints & shades

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

Harmonies

Complementary

Open in tool →

#daaf07

#079ada · #4607da

#da0731 · #31da07

Split-complementary

Open in tool →

#da4607 · #9ada07

#da079a · #daaf07 · #07da46

Contrast

#0731da as textRatioAAAA largeAAAFix
Aaon white
8.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #4367f9 as the text (4.55:1)
  • AAA: use #748ffb as the text (7.06:1)
  • 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 #0731da 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

#0731da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0731da
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 #0731da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0731da-9c9fc4-df7c4e-231f2d-e9eff1?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