Color

#0905eb

#0905eb
hex#0905eb
rgbrgb(9, 5, 235)
hslhsl(241, 96%, 47%)
oklchoklch(0.428 0.292 264.8)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0616

Colors that go with #0905eb

Charcoal, Crimson and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e7eb05

#0574eb · #7c05eb

#eb0905 · #05eb09

Split-complementary

Open in tool →

#eb7c05 · #74eb05

#eb0574 · #e7eb05 · #05eb7c

Contrast

#0905eb as textRatioAAAA largeAAAFix
Aaon white
9.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #625ffc as the text (4.56:1)
  • AAA: use #8e8cfd as the text (7.32:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #e0e0e0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0905eb as the background.

Brands using this color

Fonts for this mood

#0905eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0905eb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0905eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0905eb-a19cc4-df9b4e-261f2d-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