Color

#2a0bda

#2a0bda
hex#2a0bda
rgbrgb(42, 11, 218)
hslhsl(249, 90%, 45%)
oklchoklch(0.419 0.267 270.6)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0579

Colors that go with #2a0bda

Charcoal, Cobalt Blue and Crimson 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 →

#bbda0b

#0b54da · #920bda

#da2a0b · #0bda2a

Split-complementary

Open in tool →

#da920b · #54da0b

#da0b54 · #bbda0b · #0bda92

Contrast

#2a0bda as textRatioAAAA largeAAAFix
Aaon white
9.73:1passpasspassPasses AAA — no fix needed.
Aaon black
2.16:1failfailfail
  • AA: use #725af6 as the text (4.51:1)
  • AAA: use #9786f9 as the text (7.09:1)
  • AA: or shift the background to #b3b3b3 (4.64:1)
  • AAA: or shift the background to #dbdbdb (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a0bda 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

#2a0bda reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a0bda
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 #2a0bda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a0bda-a79cc4-dfae4e-271f2d-e9ecf1?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